Table 2.

Intervention strategy, length, and the results of the included studies in the qualitative synthesis.

Study	-Intervention Strategy -Control -Length	Physical Activity Parameter (Dependent Variable) and Results
Morey et al., (2009) [34]	-RENEW: personally tailored workbook and series of quarterly newsletters, along with a program of telephone counseling and automated prompts (i.e., 15 sessions and 8 prompts over the 12-month period); -A delayed intervention, wait-list control was used; -48 weeks.	Community Health Activities Model Program for Seniors questionnaire § Control Baseline = 28.7 ± 2.3 min/wk 48 wk = 23.4 ± 5.6 min/wk Intervention Baseline = 24.6 ± 2.1 min/wk 48 wk = 36.3 ± 4.9 min/wk
Ligibel et al., (2012) [32]	-10–11 semi-structured phone calls. The initial calls focused on goal setting and performance assessment so as to build self-efficacy for exercise behaviors, while later calls concentrated on the adequacy of plans for relapse prevention calls; -The control group received routine care during the 16 weeks and was then offered a telephone consultation with an exercise trainer at the end of the period; -16 weeks.	7-Day Physical Activity Recall Control Baseline = 65.7 ± 84.1 min/wk 16 wk = 14.6 ± 117.2 min/wk Intervention Baseline = 44.9 ± 58.5 min/wk 16 wk = 54.5 ± 142.0 min/wk
Demark-Wahnefried et al., (2012) [28]	-RENEW: personally tailored workbook and series of quarterly newsletters, along with a program of telephone counseling and automated prompts (i.e., 15 sessions and 8 prompts over the 12-month period); -A delayed intervention, wait-list control was used; -48 weeks.	Community Health Activities Model Program for Seniors questionnaire Control Baseline = 37.5 ± 3.2 min/wk 48 wk = 69.0 ± 7.8 min/wk Intervention Baseline = 33.3 ± 2.9 min/wk 48 wk = 101.1 ± 7.3 min/wk
Hawkes et al., (2013) [30]	-11 telephone-delivered health coaching sessions over a 6-month period (biweekly for 5 months, followed by a final telephone session 4 weeks later to promote self-management techniques and maintenance of behavioral improvements), a participant handbook, regular motivational postcard prompts, a pedometer, and a quarterly study. The intervention occurred in the first 24 weeks, but patients were followed until 48 weeks; -The control group received four freely available educational brochures produced on understanding CRC and cutting cancer risk, diet, and physical activity. Participants also received a quarterly study newsletter to enhance participant retention and were contacted for all follow-up assessments; -48 weeks.	Godin Leisure-Time Exercise Questionnaire Control Baseline = 52.0 ± 112.5 min/wk 48 wk = 54.3 ± 120.0 min/wk Intervention Baseline = 58.9 ± 132.9 min/wk 48 wk = 85.2 ± 181.0 min/wk
Pinto et al., (2013) [38]	-Participants received in-person instructions on how to exercise at a moderate intensity level, monitor heart rate, and warm up before and cool down after exercise. They were also given home logs to monitor physical activity participation and a pedometer. Lastly, each participant received a weekly call over 12 weeks from research staff to monitor physical activity participation, identify relevant health problems, problem-solve any barriers to physical activity, and reinforce participants for their efforts; -The control group received weekly calls over 12 weeks. The group also received CRC survivorship tip sheets; -12 weeks.	Seven-day Physical Activity Recall Control §§ Baseline = 30 min/wk 12 wk = 146 min/wk Intervention §§ Baseline = 30 min/wk 12 wk = 88 min/wk
Park et al., (2015) [37]	-Oncologist’s exercise recommendation for the practice of physical exercise combined with an exercise motivation package group. The exercise motivation package included exercise—DVDs, a pedometer, an exercise diary, and a 15-min exercise education session; -The control group received the conventional treatment consultation but received no exercise recommendation; -4 weeks.	Godin Leisure-Time Exercise Questionnaire Control §§ Baseline = 254.56 min/wk 4 wk = −39.05 min/wk Intervention §§ Baseline = 187.85 min/wk 4 wk = +47.57 min/wk
Mayer et al., (2018) [33]	-Participants received National Cancer Institute’s “Facing Forward: Life after Cancer Treatment” booklet, the National Coalition for Cancer Survivorship’s Cancer Survival Toolbox, a pedometer, smartphones with the SurvivorCHESS application, along with voice and data services for the study period; -The control group received the same items, except for the SurvivorCHESS application; -24 weeks.	Godin Leisure-Time Exercise Questionnaire Control Baseline = 15.49 ± 27.6 min/wk 24 wk = 40.27 ± 42.22 min/wk Intervention Baseline = 19.43 ± 27.07 min/wk 24 wk = 49.98 ± 45.28 min/wk
Lee et al., (2018) [31]	-One session of face-to-face motivational interview, fortnightly motivational phone calls, mailed monthly stage-of-change matched educational pamphlets, mailed quarterly newsletters, and quarterly group meetings. The intervention occurred in the first 48 weeks but was followed for 96 weeks; -The control group received five pamphlets containing general health advice; -96 weeks.	Accelerometer §§§ Control Baseline = 473.3 ± 267.3 min/wk 96 wk = 642.4 ± 294.7 min/wk Intervention Baseline = 460.8 ± 239.6 min/wk 96 wk = 680.5 ± 259.8 min/wk
Golsteijn et al., (2018) [29]	-OncoActive: a computer-tailored physical activity program providing physical activity advice online and with printed materials. Participants received automatically generated personalized feedback regarding physical activity and psychosocial determinants of physical activity. Every participant received a pedometer and access to interactive content on the website, including role model videos, home exercise instruction videos, a module for goal setting using a pedometer, the option to consult a physical therapist, and additional information; -The control group received the OncoActive intervention after completing the last measurement; -24 weeks.	Short Questionnaire to Assess Health Enhancing Physical Activity Control Baseline = 873 ± 764 min/wk 24 wk = 943 ± 769 min/wk Intervention Baseline = 780 ± 721 min/wk 24 wk = 1145 ± 883 min/wk
Maxwell-Smith et al., (2018) [40]	-WATAAP: (I) a wrist-worn tracker (Fitbit Alta) to record daily steps and distance; (II) 2-h group sessions for general information on behavior, goals, and the application; (III) 20-min phone call during week 8 to provide support and feedback regarding physical activity progress, review goals, action plans, and coping-planning strategies; -The control group received print materials containing physical activity guidelines (also given to the intervention group) but was not specifically encouraged to increase their physical activity; -12 weeks.	Accelerometer Control §§ Baseline = 158 min/wk 12 wk = 138 min/wk Intervention §§ Baseline = 170 min/wk 12 wk = 186 min/wk
Moug et al., (2019) [36]	-Each participant was given a weekly walking diary (targets and motivational material included) and the use of the pedometer was explained. Participants then received follow-up telephone calls (weeks 1, 3, 5, 7, 9, 12, 16) where new stepping targets were set, motivational techniques were applied and any issues were discussed. All participants were asked to engage a support person (e.g., spouse) to assist in their adherence to the program; -The control group received standard care with no contact from the trial team except at the two test sessions and were offered a voluntary exercise counseling session and information pack from the trial team after their surgery and on completion of the trial; -12 weeks.	Accelerometer Control Baseline = 7773 ± 3975 median steps/day 12 wk = 5920 ± 3152 median steps/day Intervention Baseline = 7779 ± 4045 steps/day §§§§ 12 wk = 6675 ± 3100 steps/day §§§§

^§ The retrieved data refers to the duration of the endurance exercise; ^§§ The variance was not presented. ^§§§ The data refers to groups C and D, considering only the baseline and 12-month results. ^§§§§ Median. RENEW—Reach out to Enhance Wellness. CHESS—Comprehensive Health Enhancement Support System. WATAAP—Wearable Activity Technology and Action Planning.