Table 3.

Regression models for change in recreational physical activity between baseline and follow-up, according to quartile of greenspace.

	Model 1 Adjusted for baseline PA (n=10852, adjusted R2 19.3%)					Model 2 Adjusted for baseline PA, age, sex, BMI, social class and marital status (n=10649, adjusted R2 21.7%)
		95% CI					95% CI
	Coeff.	Lower	Upper	P	P trend	Coeff.	Lower	Upper	P	P trend
Quartile of greenspace:  quartile 1 (least green, ref)	1.00				<0.001	1.00				<0.001
quartile 2	0.92	−0.75	2.59	0.279		0.87	−0.79	2.52	0.306
quartile 3	2.02	0.35	3.69	0.018		1.53	−0.13	3.19	0.071
quartile 4 (most green)	4.89	3.22	6.56	<0.001		4.03	2.36	5.71	<0.001
Baseline PA (MET h/wk)	−0.52	−0.54	−0.50	<0.001		−0.53	−0.55	−0.51	<0.001
Age at 2HC (years)						−0.50	−0.57	−0.43	<0.001
Sex (ref=female)						6.16	4.94	7.39	<0.001
BMI (kg/m2)						−0.28	−0.43	−0.13	<0.001
Social class (ref=non-manual)						−0.74	−1.97	0.48	0.233
Marital status (ref=not married)						2.33	0.76	3.91	0.004
Constant	16.79	15.45	18.13	<0.001		51.10	45.19	57.00	<0.001