Table 3

Race and sex adjusted mean utilities for presenting visual acuity, income, and stream

		Utility (time trade-off)		Utility (gamble-blindness)
	No	Race and sex adjusted mean (95% CI)	p Value	Race and sex adjusted mean (95% CI)	p Value
*Means adjusted for sex only.
†1 US$ = 1.8 Sin$.
Right eye presenting logMAR visual acuity
≤0.3	479	0.94 (0.93 to 0.95)	0.005	0.86 (0.84 to 0.88)	0.11
>0.3	220	0.92 (0.90 to 0.93)		0.83 (0.81 to 0.86)
Wore corrective devices
No	172	0.92 (0.90 to 0.94)	0.047	0.84 (0.81 to 0.87)	0.29
Yes	527	0.94 (0.93 to 0.95)		0.86 (0.84 to 0.87)
Religion*
Muslim	180	0.91 (0.89 to 0.92)	<0.001	0.84 (0.81 to 0.86)	0.20
Non-Muslim	519	0.95 (0.94 to 0.95)		0.86 (0.84 to 0.87)
Total family income (Sin$ per month)†
<$2000	126	0.92 (0.91 to 0.94)	0.07	0.82 (0.80 to 0.85)	0.008
$2000–3999	361	0.93 (0.92 to 0.94)		0.84 (0.83 to 0.86)
$4000–4999	111	0.94 (0.93 to 0.95)		0.87 (0.85 to 0.88)
≥$5000	101	0.95 (0.93 to 0.97)		0.89 (0.86 to 0.92)
Schooling stream
Express	348	0.95 (0.94 to 0.96)	<0.001	0.88 (0.86 to 0.90)	<0.001
Normal academic	243	0.93 (0.92 to 0.94)		0.84 (0.82 to 0.85)
Normal technical	108	0.91 (0.89 to 0.92)		0.79 (0.77 to 0.82)