Table 1.

Odds ratios for the association between ease of recruitment and mobility in and risk factors and outcomes

	Category	Crude OR (95 % CI)	Age group and sex adjusted OR (95 % CI) ***p < 0.05
Comparing those recruited on first visit to subsequent visit
Diabetes
	1 visit	Ref	Ref
	2/3 visit	1.19 (0.89–1.61)	1.14 (0.84–1.55)
Hypertension
	1 visit	Ref	Ref
	2/3 visit	1.00 (0.88–1.15)	0.93 (0.79–1.08)
Overweight (BMI ≥ 25)
	1 visit	Ref	Ref
	2/3 visit	1.07 (0.97– 1.19)	1.21 (1.08–1.34)***
Alcohol user
	1 visit	Ref	Ref
	2/3 visit	1.47 (1.31–1.65)	1.15 (1.01–1.30)***
Smoker
	1 visit	Ref	Ref
	2/3 visit	1.07 (0.83–1.38)	0.72 (0.56–0.94)***
Top two wealth quintiles
	1 visit	Ref	Ref
	2/3 visit	1.22 (1.10–1.35)	1.21 (1.10–1.34)***
Weekend recruitment (urban site only)
Diabetes
	Mon–Fri	Ref	Ref
	Sat–Sun	1.05 (0.78–1.42)	0.99 (0.73–1.35)
Hypertension
	Mon–Fri	Ref	Ref
	Sat–Sun	0.94 (0.82–1.07)	0.85 (0.74–0.99)***
Overweight
	Mon–Fri	Ref	Ref
	Sat–Sun	0.96 (0.87–1.05)	1.09 (0.98–1.21)
Alcohol user
	Mon–Fri	Ref	Ref
	Sat–Sun	1.53 (1.37– 1.71)	1.20 (1.06–1.36)***
Smoker
	Mon–Fri	Ref	Ref
	Sat–Sun	1.01 (0.78–1.29)	0.67 (0.52–0.87)***
Top two wealth quintiles
	Mon–Fri	Ref	Ref
	Sat–Sun	1.25 (1.13–1.37)	1.24 (1.12–1.36)***
Permanence of residence (urban site only)
Diabetes
	≥1 year	Ref	Ref
	<1 year	0.42 (0.26–0.69)	0.75 (0.45–1.22)
Hypertension
	≥1 year	Ref	Ref
	<1 year	0.57 (0.45–0.65)	0.85 (0.70–1.05)
Overweight
	≥1 year	Ref	Ref
	<1 year	0.67 (0.60–0.76)	0.76 (0.67–0.86)***
Alcohol user
	≥1 year	Ref	Ref
	<1 year	0.75 (0.65–0.87)	0.80 (0.68–0.95)***
Smoker
	≥1 year	Ref	Ref
	<1 year	0.76 (0.55–1.05)	0.96 (0.69–1.35)
Top two wealth quintiles
	≥1 year	Ref	Ref
	<1 year	0.79 (0.70–0.88)	0.79 (0.70–0.88)***