Table 3.
Baseline characteristics (normally distributed continuous variables)
| Variables | Intervention group (n = 35)
|
Control group (n = 35)
|
p-value | ||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Age (years) | 39.89 | 7.828 | 41.06 | 6.799 | 0.506 |
| Duration of computer work (years)a | 12.63 | 6.722 | 12.80 | 8.270 | 0.924 |
| Computer work/day (hours) | 6.60 | 1.333 | 6.09 | 1.422 | 0.123 |
| Visual leisure/day (hours) | 3.60 | 2.075 | 3.77 | 2.556 | 0.759 |
| Water intake (cups) | 7.63 | 2.591 | 7.14 | 2.171 | 0.398 |
| Knowledge (scores) | 9.91 | 1.915 | 10.17 | 1.740 | 0.559 |
| Attitude (scores) | 37.54 | 4.435 | 38.63 | 3.448 | 0.257 |
| Practice (scores) | 28.34 | 3.873 | 27.63 | 3.388 | 0.414 |
Notes: Independent samples test equal variances assumed.
a
Independent samples test equal variances not assumed.