Longitudinal patterns of physical activity, sedentary behavior and sleep in urban South African adolescents, Birth-To-Twenty Plus cohort

Table 4 Relative risk ratios and 95% confidence intervals for predictors of physical activity^a multi-trajectory groups, Birth-to-Twenty+

	Males			Females
	Group 1 “Decreasing activity, non-walkers”	Group 2 “Active, walkers”	Group 3 “Decreasing activity, walkers”	Group 1 “Decreasing activity, non-walkers”	Group 2 “Active, walkers”	Group 3 “Decreasing activity, walkers”
	RRR (95% CI)	RRR (95% CI)	(ref)	RRR (95% CI)	RRR (95% CI)	(ref)
SES (asset quintile)	1.48 (1.22–1.81)	1.04(0.87–1.23)	(ref)	1.80 (1.51–2.14)	1.16 (0.95–1.42)	(ref)
Mother’s schooling	2.39 (1.47–3.88)	1.21 (0.75–1.96)	(ref)	3.43 (2.21–5.32)	1.91 (1.08–3.37)	(ref)
Mother’s marital status	1.69 (1.06–2.70)	1.21 (0.79–1.87)	(ref)	0.89 (0.57–1.38)	0.57 (0.33–0.97)	(ref)
Mother’s parity	1.49 (0.93–2.39)	1.24 (0.81–1.92)	(ref)	0.94 (0.61–1.45)	0.58 (0.34–0.97)	(ref)
Pseudo R²			0.05			0.11

^aOverall physical activity includes informal physical activity, organized sports and walking to and from school

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