Table 3.

Adjusted prevalence ratio with 95% CI for association of childhood SEP with participation in sports groups in older Japanese women in the Japan Gerontological Evaluation Study (JAGES) 2010 survey with all variable multiple imputations (n = 12,035).

	Model 1		Model 2		Model 3		Model 4
	PR (95% CI)	p	PR (95% CI)	p	PR (95% CI)	p	PR (95% CI)	p
Childhood SEP
High	Reference		Reference		Reference		Reference
Middle	0.98 (0.90–1.07)	0.668	0.99 (0.91–1.08)	0.785	1.04 (0.95–1.13)	0.433	1.03 (0.95–1.12)	0.485
Low	0.88 (0.80–0.97)	0.011	0.90 (0.82–0.99)	0.025	0.98 (0.89–1.08)	0.724	0.98 (0.89–1.08)	0.674
Height
Tall			Reference		Reference		Reference
Middle-tall			1.11 (0.95–1.29)	0.205	1.12 (0.96–1.31)	0.150	1.12 (0.96–1.31)	0.154
Middle			1.01 (0.87–1.18)	0.837	1.04 (0.89–1.21)	0.608	1.04 (0.89–1.21)	0.624
Middle-short			0.99 (0.85–1.16)	0.906	1.03 (0.88–1.20)	0.717	1.03 (0.88–1.21)	0.693
Short			0.85 (0.71–1.03)	0.091	0.90 (0.75–1.08)	0.242	0.90 (0.75–1.09)	0.280
Education (years)
≥13					Reference		Reference
10–12					0.91 (0.84–0.99)	0.032	0.92 (0.84–1.00)	0.057
<10					0.74 (0.68–0.82)	<0.001	0.77 (0.69–0.85)	<0.001
Annual equivalized income
≥4.00 million yen							Reference
2.00–3.99 million yen							1.09 (0.97–1.22)	0.144
<2.00 million yen							0.96 (0.86–1.07)	0.495
Longest-held occupation
Non-manual							Reference
Manual							0.95 (0.86–1.05)	0.307
None							0.91 (0.79–1.04)	0.169

SEP: socioeconomic position; PR: prevalence ratio; CI: confidence interval.

Model 1: Adjusted for health-related factors (age, medication, instrumental activities of daily living, self-rated health, depression, body mass index, smoking status, alcohol intake, marital status, and social support).

Model 2: Model 1 + height.

Model 3: Model 2 + education.

Model 4: Model 3 + adulthood SEP (annual equivalized income, longest-held occupation).