Effect of self-regulatory behaviour change techniques and predictors of physical activity maintenance in cancer survivors: a 12-month follow-up of the Phys-Can RCT

Table 4 Model 1- multiple ordinal logistic regression model estimating baseline predictors of physical activity maintenance^a (n = 238)

Baseline predictors		OR (95% CI)	P-value
Age	Per 1 year	1.00 (0.96–1.05)	0.846
Living situation	Living with partner	1.00
Living situation	Living alone	0.63 (0.30–1.30)	0.213
Tobacco use	Never smoked or used snus	1.00
Tobacco use	Former or current smoker/snus user	0.43 (0.21–0.86)	0.018
Anxiety	Per 1 unit on a 0–21 scale	1.09 (0.99–1.20)	0.098
Cancer-related fatigue	Per 1 unit on a 4–20 scale	1.04 (0.94–1.15)	0.455
HRQoL	Per 1 unit on a 0–100 scale	1.03 (1.00–1.06)	0.018
Exercise self-efficacy	Per 1 unit on a 0–10 scale	1.17 (0.97–1.42)	0.099
Exercise expectations	Per 1 unit on a 0–10 scale	0.88 (0.78–0.99)	0.040
Exercise motivation	Per 1 unit on a 0–100 scale	1.02 (1.00–1.04)	0.011
VO₂max	Per 1 mL/kg/min	0.95 (0.89–1.01)	0.070
BMI	Per 1 kg/m²	1.02 (0.93–1.12)	0.706
Chemotherapy	No	1.00
Chemotherapy	Yes	0.83 (0.38–1.83)	0.651
Randomisation groups	HI with BCTs	1.00
	HI without BCTs	0.21 (0.07–0.56)	0.002
	LMI with BCTs	0.46 (0.17–1.25)	0.126
	LMI without BCTs	0.43 (0.16–1.19)	0.104

^aCategorized as maintainers or non-maintainers at 12-month follow-up
The results indicate the individual contribution of each variable after adjusting for all the other variables included in the model. OR Odds ratio, CI Confidence interval, HRQoL Health-related quality-of-life, VO₂max Maximal oxygen uptake, BMI Body mass index, HI High intensity exercise, BCTs Self-regulatory behaviour change techniques, LMI Low-to-moderate intensity exercise. Bold values indicate p-values below 0.050

ISSN: 1471-2407