Table 2 Variable definitions
(1) | (2) | (3) |
|---|---|---|
Variable number | Variable | Description |
1 | WAZ | Weight-for-age z-score |
2 | HAZ | Height-for-age z-score |
3 | Anemia rate | Hb < 115 g/L, if age > =9 and < =11 (1 = yes, 0 = no); Hb < 120 g/L, if age > =12 and < =14 (1 = yes, 0 = no) |
4 | STH infection | Child is infected with any of the three types of STH: Ascaris, hookworm, or Trichuris (1 = yes, 0 = no) |
5 | MHT | Mental Health Test. The purpose of the test was to measure the level of each student’s anxiety. The test is scored out of 90 points, where a lower (higher) score corresponds to lower (higher) anxiety. |
6 | Self-esteem score | Standardized score on Rosenberg Self-esteem Scales I & II (SES) |
7 | Self-efficacy score | Standardized score on General Self-efficacy Scale (GSE) |
8 | Standardized math test score | Math test score that is standardized by subtracting the mean and dividing by standard deviation within each wave of survey of each project. |
9 | Math course grades given by teachers | Normalized grades given by teachers |
10 | Standardized Chinese test score | Math test score that is standardized by subtracting the mean and dividing by standard deviation within each wave of survey of each project. |
11 | Chinese course grades given by teachers | Normalized grades given by teachers |
12 | Working memory index (WMI) | Standardized score on the working memory module of the WISC-IV |
13 | Processing speed index (PSI) | Standardized score on the processing speed module of the WISC-IV |