. 2015 Jul 16;15:671. doi: 10.1186/s12889-015-2045-2

Table 5.

Relative difference in physical activity between groups at 3-month follow-up

	Baseline mean (SD)	12-week follow-up mean (SD)	Unadjusted difference β (95 % CI)^a	P-value	Adjusted difference β (95 % CI)^b	P-value
Physical activity (hours/week)
Sleep/activity group	4.59 (4.82)	6.32 (7.88)	−2.405 (−6.107, 1.296)	0.20	−1.929 (−5.683, 1.825)	0.31
Smoking cessation group	6.38 (7.41)	9.26 (10.85)	−2.405 (−6.107, 1.296)	0.20	−1.929 (−5.683, 1.825)	0.31

SD Standard deviation, CI Confidence interval

n = 116

^aAdjusted for baseline physical activity

^bAdjusted for baseline physical activity, change in average sleep quantity, smoking status at follow-up, daily text messaging usage, sex, educational attainment, and race