Evidence-based health and well-being for entire populations.

LifeStyle Management Outcomes

Stress Management

Our SAMHSA-recognized Stress Management program assists adults in effectively managing stress in healthy ways, including: exercising, seeking social support, and using relaxation techniques. At 18-month follow-up, 62% of those using our program began to effectively manage their stress.

effectively managed their stress

Stress Management Outcomes

Weight Management

Our Weight Management program focuses on three health behaviors: 1. Regular exercise, 2. Healthy eating, and 3. Managing emotional eating. At 24-month follow-up, 30% of those using our program lost 5% or more of their body weight. Based on national guidelines, 45% began to exercise regularly and 48% began to eat a healthy diet.

lost 5% or more of body weight

Weight Management Outcomes

Depression Prevention

Nineteen million Americans experience depression each year. Those using our Depression Prevention program reported a reduction in depression symptoms and began to consistently use effective strategies to prevent depression at 9-month follow-up.

experienced reduction in symptoms

Depression Prevention Outcomes

Smoking Cessation

Our Smoking Cessation interventions have consistently outperformed alternatives and competitors. A recent randomized study showed 26% of smokers using our program quit smoking at 3-month follow-up.

successfully quit smoking
 Smoking Cessation

Regular Exercise

National guidelines recommend exercising for 150 minutes a week at a moderate intensity level, or 75 minutes a week at a vigorous intensity level. In a randomized controlled trial, 57% of individuals using our Exercise program started exercising at or above the guidelines after 6 months.

met national guidelines for regular exercise

Regular Exercise Outcomes

Medication Adherence

Our Medication Adherence programs are designed as an adjunct to a physician-prescribed treatment. In a randomized controlled trial, 73% of those using our program began to adhere to their prescribed anti-hypertension medication regimen at 12-month follow-up.

adhered to their anti-hypertensive medication regimen

Medication Adherence Outcomes

Responsible Drinking

Nearly 30% of adults in the U.S. engage in risky drinking (drinking more than 14 drinks/week or 4 in one day for men age 65 and under, and drinking more than 7 drinks/week or 3 in one day for men 65 and under and for all women. In a randomized trial involving high-risk drinkers, 51% of those using our program reduced their drinking to the low-risk limits at 18-month follow-up.

reduced their drinking to low-risk limits

Specialized Behavior Change Program Outcomes

For Adults

Domestic Violence

Journey to Change, Pro-Change’s domestic violence program, is designed as an adjunct to traditional batterer treatment. The program aims to increase readiness to use a range of healthy strategies to stay violence-free. At 12-month follow-up, 50% of men using our program had sought additional treatment outside of their court-mandated treatment; based on partner reports, 78% remained violence-free.

remained violence free

Pregnancy Health

Our Healthy Pregnancy: Step-by-Step program assists pregnant women in effectively managing stress, quitting smoking and staying quit, and eating more fruits and vegetables. In a randomized controlled trial, users reported a reduction in risk behavior and an increase in fruit and vegetable consumption at postpartum follow-up.

reduction in risk behavior

Healthy Pregnancy

For College Students


liveWell: A Healthy Foundation for Life is an online program designed to help college students improve their exercise, eating, and stress management habits. In addition to improvements in those behaviors, results of our randomized controlled trial indicated that liveWell users significantly increased their well-being.

were consuming 4½ cups of fruit and vegetables per day*

*at 3 months

For Youth

Health in Motion

Our Health in Motion program for adolescents focuses on behaviors critical for obtaining a healthy energy balance. In a randomized controlled trial, students using the program were more likely at 3-month follow-up to meet national guidelines for physical activity, fruit and vegetable consumption, and TV viewing. These findings were replicated in a later study, which also demonstrated that the intervention reduced uptake of cigarette and alcohol use.

were watching 2 hours or less of TV each day

Healthy Teens

Juvenile Justice

The Rise Above Your Situation (RAYS) program integrates best practices from existing evidence-based programs for justice-involved youth and substance abusers. It also provides reports for juvenile justice and social service professionals to aid in the delivery of individualized, stage-matched guidance. The program is currently being tested in a randomized trial involving 700 moderate- and high-risk offenders.

results coming soon

Behavior Change Program Outcomes

Pro-Change’s evidence-based program outcomes are from randomized clinical trials, predominantly funded by the National Institutes of Health. The outcomes measure behavior change from baseline to follow-up among participants who were not engaging in the healthy behavior at baseline.

The trials were performed with scientific rigor with results published in peer-reviewed journals such as the American Journal of Health Promotion, Preventive Medicine, Health Psychology, American Journal of Public Health, and Disease Management.

For all outcomes reported, the intervention group statistically outperformed the control group.

LifeStyle Management Suite Program Outcomes

Stress Management

Study 1 (sample = 1085)
At 18-month follow-up:

  • 62% were effectively managing their stress

(Evers et al., 2006)

Study 2 (sample = 967)
At 6-month follow-up:

  • 74% were effectively managing their stress

(Prochaska et al., 2008)

Study 3 (sample = 1864)
At 6-month follow-up:

  • 65% were effectively managing their stress

(Prochaska et al., 2012)

Weight Management

Study 1 (sample = 1277)
At 24-month follow-up:

  • National guidelines were reached for healthy eating (48%), regular exercise (45%), and fruit and vegetable consumption (49%)
  • 50% were effectively managing emotional distress without eating
  • 30% lost 5% or more of their body weight

(Johnson et al., 2008)

Depression Prevention

Study 1 (sample = 350)
At 9-month follow-up:

  • 73% were consistently using effective strategies to prevent depression
  • 73% experienced a reduction in symptoms of depression
  • 35% experienced a reliable and clinically significant reduction in symptoms of depression

(Levesque et al., 2011)


Study 1 (sample = 967)
At 6-month follow-up:

  • 45% were meeting national guidelines for regular exercise

(Prochaska et al., 2008)

Study 2 (sample = 1890)
At 6-month follow-up:

  • 57% were meeting national guidelines for regular exercise when the program was delivered by coaches

(Prochaska et al., 2012)

Smoking Cessation

Study 1 (sample = 224 in inpatient psychiatry unit)
At 18-month follow-up:

  • 20% successfully quit smoking

(Prochaska et al., 2013)

Study 2 (sample = 446)

At 3-month follow-up:

  • 25.7% successfully quit smoking
  • 40.3% successfully quit smoking when the program was augmented with tailored text messages

Adherence to Antihypertensive Medication

Study 1 (sample = 1227)
At 12-month follow-up:

  • 73% were adhering to their prescribed medication regimen

(Johnson et al., 2006b)

Adherence to Lipid-Lowering Medication

Study 1 (sample = 404)
At 18-month follow-up:

  • 56% began adhering to their prescribed medication regimen
  • 85% of those consistently taking their medication at baseline did not discontinue the medication
  • National guidelines were reached for regular exercise (43%) and healthy eating (25%) through minimal stage-targeted feedback

(Johnson et al., 2006a)

Specialized Behavior Change Program Outcomes

For Adults

Domestic Violence

Study 1 (sample = 500)
At 5-month follow-up:
37% (treatment) vs. 12% (control) moved to the action stage
At 6-month follow-up, based on victim reports:

  • Rates of threats were 40% vs. 88%
  • Physical violence were 20% vs. 88%

(Levesque et al., 2012)

Pregnancy Health

Coming soon…

Responsible Drinking

Coming soon…

For College Students

liveWell: A Healthy Foundation for Life

Study 1 (sample = 1841)
At 3-month follow-up:

  • 64% were consuming 4 1/2 cups of fruit and vegetables per day
  • 93% continued to manage their stress
  • 61% had adopted regular exercise

At 6-month follow-up:

  • 47% who were previously “struggling” or “suffering” were “thriving”

For Youth

Multiple-Behavior Energy Balance

Study 1 (sample = 1800)
At 2-month follow-up: •

  • 28.5% were exercising 60 minutes or more for at least 5 days per week
  • 35.5% were consuming at least 5 servings of fruit and vegetables s per day
  • 43% were watching 2 hours or less of TV each day

(Mauriello et al., 2010)

Study 2 (sample =4158)
At 36-month follow-up:
  • 49% were exercising 60 minutes or more for at least 5 days per week
  • 25% were consuming at least 5 servings of fruit and vegetables per day
  • 48% were watching 2 hours or less of TV each day

(Velicer et al., 2013)

Juvenile Justice

Study 1 (sample = 60) 

In a feasibility study involving 60 system-involved youths and their probation officers or counselors

  • 92% of youths agreed that the program could help them make positive changes
  • 87% agreed that the program could give their probation officer or counselor helpful information about them (Levesque et al., 2012)

Study 2 (sample = 700)

Randomized controlled trial involving 54 probation officers and 700 moderate- and high-risk juvenile offenders is currently in progress.


Evers, K.E., Prochaska, J.O., Johnson, J.L., Mauriello, L.M., Padula, J.A., & Prochaska, J.M. (2006). A randomized clinical trial of a population- and transtheoretical model-based stress management intervention. Health Psychology, 25, 521-529.

Johnson, S.S., Driskell, M.M., Johnson, J.L., Dyment, S.J., Prochaska, J.O., Prochaska, J.M. et al. (2006a). Transtheoretical model intervention for adherence to lipid-lowering drugs. Disease Management, 9, 102-114.

Johnson, S.S., Driskell, M.M., Johnson, J.L., Prochaska, J.M., Zwick, W., & Prochaska, J.O. (2006b). Efficacy of a transtheoretical model-based expert system for antihypertensive adherence. Disease Management, 9, 291-301.

Johnson, S.S., Paiva, A.L., Cummins, C.O., Johnson, J.L., Dyment, S.J., Wright, J.A., Prochaska, J.O., Prochaska, J.M., & Sherman, K. (2008). Transtheoretical model-based multiple behavior intervention for weight management: Effectiveness on a population basis. Preventive Medicine, 46, 238-246.

Levesque, D.A., Ciavatta, M.M., Castle, P.H., Prochaska, J.M., & Prochaska, J.O. (2012). Evaluation of a stage-based, computer-tailored adjunct to usual care for domestic violence Offenders. Psychology of Violence, 2, 368-384.

Levesque, D.A., Johnson, J.L., Welch, C.A., Prochaska, J.M., & Fernandez, A.C. (2012). Computer-tailored intervention for juvenile offenders. Journal of Social Work Practice in the Addictions, 12(4), 391-411.

Levesque, D.A., Van Marter, D.F., Schneider, R.J., Bauer, M.R., Goldberg, D.N., Prochaska, J.O., & Prochaska, J.M. (2011). Randomized trial of a computer-tailored intervention for patients with depression. American Journal of Health Promotion, 26, 27-89.

Mauriello, L. M., Ciavatta, M. M., Paiva, A. L., Sherman, K. J., Castle, P. H.,  Johnson, J. L., Prochaska, J. M. (2010). Results of a Multi-Media Multiple Behavior Obesity Prevention Program for Adolescents. Preventive Medicine, 51, 451-456.

Prochaska, J.J., Hall, S., Delucchi, K., & Hall, S.M. (2013). Efficacy of initiating tobacco dependence treatment in inpatient psychiatry: a randomized controlled trial. American Journal of Public Health. Advance online publication. doi:10.2105/AJPH.2013.301403

Prochaska, J.O., Velicer, W.F., Fava, J.L., Ruggiero, L., Laforge, R.G., Rossi, J.S. et al. (2001a). Counselor and stimulus control enhancements of a stage-matched expert system intervention for smokers in a managed care setting. Preventive Medicine, 32, 23-32.

Prochaska, J.O., DiClemente, C.C., Velicer, W.F., & Rossi, J.S. (1993). Standardized, individualized, interactive, and personalized self-help programs for smoking cessation. Health Psychology, 12, 399-405.

Prochaska, J.O., Velicer, W.F., Fava, J.L., Rossi, J.S., & Tsoh, J.Y. (2001b). Evaluating a population-based recruitment approach and a stage-based expert system intervention for smoking cessation. Addictive Behaviors, 26, 583-602.

Prochaska, J.O., Butterworth, S., Redding, C.A., Burden, V., Perrin, N., Leo, M., Flahery-Robb, M., & Prochaska, J.M. (2008) Initial efficacy of MI, TTM tailoring and HRI’s with multiple behaviors for employee health problems. Preventive Medicine, 46, 226-231.

Prochaska, J.O., Evers, K.E., Castle, P.H., Johnson, J.L., Prochaska, J.M., Rula, E.Y., Coberley, C., & Pope, J.E. (2012). Enhancing multiple domains of well-being by decreasing multiple health risk behaviors: A randomized clinical trial. Population Health Management, 15(5), 276-286.

Velicer, W.F., Fava, J.L., Prochaska, J.0., Abrams, D.B., Emmons, K.M., & Pierce, J. (1995). Distribution of smokers by stage in three representative samples. Preventive Medicine, 24, 401-411.

Velicer, W.F., Redding, C.A., Paiva, A.L., Mauriello, L.M., Blissmer, B., Oatley, K., Meier, K.S., Babbin, S.F., McGee, H., Prochaska, J.O., Burditt, C., & Fernandez, A.C. (2013). Multiple behavior interventions to prevent substance abuse and increase energy balance behaviors in middle school students. Translational Behavioral Medicine, 3(1), 82-93.

Velicer, W.F., Redding, C.A., Sun, X., & Prochaska, J.O. (2007). Demographic variables, smoking variables, and outcome across five studies. Health Psychology, 26, 278-287.

User Experience and Testimonials

The impact of our evidence-based programs


Pro-Change is constantly refining the user experience of our programs.

Here are some examples of the impact our evidence-based programs have inspired and produced:

“In the past I’ve done marketing/efficacy research on weight loss programs, many of which seems sort of gimmicky and don’t really deal with the underlying reasons for overeating and for not exercising. Your program seems to address these very well and work with the user to help the user understand the causes and then provides ways to overcome them. It’s great. I appreciate the opportunity to be able to participate in it.” www.prochange.com/weight-management-program.”

-Weight Management Program User–


“Hi, I just wanted to let you know that I went ahead and signed up for the suite myself and have the stress management and exercise sections to work on. I’m looking forward to that. Based on what I have seen, I’m going to recommend this program to my client who will be working on weight management and healthy eating. It will be fun to see how it goes! Thank you for making this program more easily accessible to individuals through www.prochange.com/myhealth.”

-Professional Health Coach–


“I wanted to thank you as the depression program and the smoking cessation has helped me greatly…In the past month I have finally been able to quit smoking and improve my mood!”

–female, 29 years old–


“We are quite pleased with the partnership with Pro-Change and hope to continue working with them in the future. We find Pro-Change staff to be so creative and progressive. We are excited to be seeing great impacts with behavior change.”

-Community Health Centers, CT–


“It was targeted very personally toward me.”


“It was easy, fast, and to the point. It did not push any opinions on you. The program helped me understand what I’m doing well, and how I can improve on my health.”


“It was so simple to use and it told me what I had done well and what I need to improve—and it didn’t just tell me that I had to change—it told me how”!


“It showed me new ways I can incorporate exercise into my life and create a healthier and happier me”!


“It makes you want to just get up and better yourself to be more active.”


“I like how this program supported me and encouraged me to reach my highest point of living with new healthy routines.”


“It gave me a new perspective on eating healthy and becoming more active.”


“I was in your smoking cessation program online. I will be 6 months smoke free Thursday. I could not have done it without the program. I learned a lot about smoking and a lot about me. I failed a few times, but kept trying. I thank you so much. I had smoked for 30 years. I am 46 years old and feel great now. I just cannot say enough. Your program was instrumental in my quitting. Thank you again so much”!