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. 2022 Sep 1;19(17):10923. doi: 10.3390/ijerph191710923

Table 7.

Heterogeneity of ITT treatment effects by baseline characteristics.

Dep. Var.:
Endline Standardized Math Score
Half and above Material Taught on Blackboard Math Score below the Average Household Asset below the Average Parents Out-Migrated for Work Not Wearing Eyeglasses at Baseline
(1) (2) (3) (4) (5)
Treatment (1 = yes) −0.029 0.033 −0.009 0.025 0.056
(0.071) (0.051) (0.067) (0.051) (0.084)
Treatment × half and above material taught on blackboard 0.125 ***
(0.093)
Half and above material taught on blackboard (1 = yes) −0.100 ***
(0.069)
Treatment × baseline standardized math below the average 0.052 *
(0.070)
Baseline math score below the average (1 = yes) 0.051
(0.076)
Treatment × household asset value below the average 0.095 **
(0.076)
Household asset value below the average (1 = yes) −0.097 *
(0.111)
Treatment × one or both parents out-migrated for work 0.070 **
(0.066)
One or both parents out-migrated for work (1 = yes) −0.043 *
(0.046)
Treatment × not wearing eyeglasses at baseline 0.007
(0.088)
Not wearing eyeglasses at baseline (1 = yes) −0.019
(0.069)
Treatment effect for subgroup if dummy equals one 0.098 *** 0.081 *** 0. 090 *** 0.112 *** 0.062 ***
(0.054) (0.062) (0.048) (0.058) (0.046)
Treatment effect for subgroup if dummy equals zero −0.032 0.038 −0.028 0.032 0.050
(0.071) (0.051) (0.067) (0.051) (0.084)
Baseline standardized math score controlled Yes Yes Yes Yes Yes
Student, family, teacher, characteristics controlled Yes Yes Yes Yes Yes
R-square 0.411 0.411 0.411 0.410 0.408
Number of observations 2087 2087 2087 2087 2087

Notes: Full sample is analyzed. Standardized coefficients are reported. Standard errors clustered at the school level are reported in parentheses. * p < 0.10, ** p < 0.05, *** p < 0.01.