TABLE III.
COMPUTER USE: GENDER, GRADE AND SOCIOECONOMIC DIFFERENCES
| Computer Use | ||
|---|---|---|
| Predictors | OR | 95% CI |
| Gendera | ||
| < 1 hour/day (ref) | -- | -- |
| 1–2 hours/day | 1.55 | 1.30–1.85 |
| 2–3 hours/day | 1.47 | 1.22–1.76 |
| >=3 hours/day | 1.99 | 1.65–2.41 |
| Gradeb | ||
| < 1 hour/day (ref) | -- | -- |
| 1–2 hours/day | 1.20 | 1.11–1.29 |
| 2–3 hours/day | 1.34 | 1.23–1.46 |
| >=3 hours/day | 1.29 | 1.18–1.42 |
| FASc | ||
| < 1 hour/day (ref) | -- | -- |
| 1–2 hours/day | 1.25 | 1.19–1.32 |
| 2–3 hours/day | 1.30 | 1.24–1.36 |
| >=3 hours/day | 1.31 | 1.24–1.38 |
Notes.
a
Male was the referent for Gender.
b
Grade was treated as a continuous variable as Figure 1 indicating a linear relation between grade and computer use.
c
FAS was a standardized variable, with higher value for higher family affluence.