Gender equity in vision care seeking behavior among caregivers: evidence from a randomized controlled trial in rural China

Wang, Huan; Cousineau, Claire; Fan, Yingjie; Dill, Sarah-Eve; Boswell, Matthew; Rozelle, Scott; Ma, Xiaochen

doi:10.1186/s12939-022-01625-4

International Journal for Equity in Health

Table 1 Basic characteristics balance check across experimental groups

From: Gender equity in vision care seeking behavior among caregivers: evidence from a randomized controlled trial in rural China

	Prescription Group	Voucher Group	Difference	P-value
Variable	(1)	(2)	(2)–(1)
1. Age (years)	10.546	10.513	0.033	0.673
1. Age (years)	(0.058)	(0.054)
2. Female (1 = yes)	0.501	0.520	−0.019	0.379
2. Female (1 = yes)	(0.016)	(0.015)
3. Left-behind child (1 = yes)	0.100	0.124	−0.024	0.138
3. Left-behind child (1 = yes)	(0.011)	(0.012)
4. Boarding at school (1 = yes)	0.227	0.185	0.042	0.377
4. Boarding at school (1 = yes)	(0.035)	(0.032)
5. Number of siblings	1.421	1.384	0.037	0.591
5. Number of siblings	(0.052)	(0.046)
6. Father completed high school (1 = yes)	0.157	0.134	0.024	0.229
6. Father completed high school (1 = yes)	(0.014)	(0.014)
7. Mother completed high school (1 = yes)	0.099	0.078	0.021	0.172
7. Mother completed high school (1 = yes)	(0.012)	(0.010)
8. At least one family member wears glasses (1 = yes)	0.347	0.325	0.022	0.322
8. At least one family member wears glasses (1 = yes)	(0.015)	(0.017)
9. Household asset index	−0.053	−0.064	0.011	0.923
9. Household asset index	(0.086)	(0.075)
10. Distance from school to the county seat (km)	34.688	32.064	2.624	0.516
10. Distance from school to the county seat (km)	(2.613)	(3.086)
11. Baseline visual acuity (LogMAR)	0.647	0.621	0.027	0.104
11. Baseline visual acuity (LogMAR)	(0.011)	(0.012)
12. Family has taken student to a vision exam (1 = yes)	0.302	0.353	−0.050	0.122
12. Family has taken student to a vision exam (1 = yes)	(0.023)	(0.023)
13. Student has glasses at baseline (1 = yes)	0.182	0.192	−0.010	0.670
13. Student has glasses at baseline (1 = yes)	(0.016)	(0.017)
14. Student can see the blackboard from his/her seat (1 = yes)	0.520	0.495	0.025	0.436
	(0.025)	(0.020)
15. Student blinks eyes or turns head to see things clearly (1 = yes)	0.639	0.616	0.023	0.408
	(0.018)	(0.021)
16. Myopia knowledge index (Score 0–9)	2.980	3.095	− 0.115	0.300
16. Myopia knowledge index (Score 0–9)	(0.080)	(0.077)
17. Student thinks he/she is myopic (1 = yes)	0.451	0.470	−0.019	0.544
17. Student thinks he/she is myopic (1 = yes)	(0.024)	(0.020)

Notes: Visual acuity is measured by the LogMAR of the worse eye. Higher LogMAR values indicate worse visual acuity; students with normal vision would have LogMAR value less than or equal to 0.0. The value displayed for t-tests are the differences in the means across the groups. Standard errors are clustered at school level

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