From: Neck and shoulder pain among elementary school students: prevalence and its risk factors
Neck pain | ||
---|---|---|
 | R (95% CI) | P value |
School-related factors | ||
Desk height | ||
 Just right | Referent |  |
 Too high | 1.96 (1.02–3.74) | 0.042* |
 Too low | 1.01 (0.58–1.73) | 0.976 |
Seat pan inclination | ||
 Just right | Referent |  |
 Too backward | 2.10 (1.37–3.24) | 0.001* |
 Too forward | 3.12 (1.46–6.68) | 0.003* |
Viewing the (black) board | ||
 Very easy | Referent |  |
 Neutral | 1.87 (0.96–3.63) | 0.062 |
 Very difficult | 2.54 (1.10–5.84) | 0.028* |
Homework | ||
 Just right | Referent |  |
 Not enough | 0.89 (0.46–1.72) | 0.740 |
 Too much | 2.59 (1.49–4.51) | 0.001* |
Position doing homework at home | ||
 Sitting on the floor | Referent |  |
 Sitting on the table and the chair | 0.59 (0.39–0.91) | 0.017* |
 Lying on the floor | 0.53 (0.34–0.81) | 0.004* |
RULA | ||
 Level 1 | Referent |  |
 Level 2 | 0.84 (0.40–1.75) | 0.655 |
 Level 3 | 2.88 (1.64–5.05) | 0.001* |
 Level 4 | 3.12 (1.72–5.63) | 0.001* |