TABLE 2.

Predictors of change in daily step count

Predictors	Effect on change in daily step count# (95% CI)	p-value
Baseline daily step count (per 1000 steps increase)	−423 (−601– −245)	<0.0001
Diagnosis of depression (Ref.=no diagnosis)	−865 (−1547– −182)	0.014
MOS social support	324 (35.3–613)	0.028
Oxygen use (Ref.=no oxygen)	−803 (−1574−31.7)	0.042
Season of enrolment (Ref.=Spring)
Spring (March–May)
Summer (June–August)	−978 (−1854– −102)	0.029
Fall (September–November)	−1267 (−2060– −474)	0.002
Winter (December–February)	−218 (−1338–903)	0.700

MOS: Medical Outcomes Study; Ref.: reference group. ^#: effects on change in daily step count are the model coefficients as determined by one generalised linear regression model, adjusted for physical activity promotion group.