Table 3 Correlation of sleep quality with general and psychosocial factors
From: Factors Related to Sleep Disorders among Male Firefighters
Sleep quality | |||
|---|---|---|---|
Variables | Good | Poor | p-value* |
n (%) | n (%) | ||
Age (years) | |||
≤29 | 38 (48.1) | 41 (51.9) | 0.003 |
30 ~ 39 | 96 (43.4) | 125 (56.6) | |
40 ~ 49 | 143 (54.8) | 118 (45.2) | |
≥50 | 60 (62.5) | 36 (37.5) | |
Tenure (years) | |||
<10 | 133 (47.5) | 147 (52.5) | 0.007 |
10 ~ 19 | 110 (48.7) | 116 (51.3) | |
≥20 | 94 (62.3) | 57 (37.7) | |
Marital status | |||
Unmarried | 66 (48.9) | 69 (51.1) | 0.531 |
Married | 271 (51.9) | 251 (48.1) | |
Exercise | |||
No | 168 (50.6) | 164 (51.3) | 0.720 |
Yes | 169 (52.0) | 156 (48.0) | |
Alcohol intake | |||
No | 148 (56.1) | 116 (43.9) | 0.045 |
Yes | 189 (48.1) | 204 (51.9) | |
Smoking | |||
No | 275 (53.2) | 242 (46.8) | 0.061 |
Yes | 62 (44.3) | 78 (55.7) | |
BMI (kg/m2)† | |||
<25 | 217 (51.7) | 203 (48.3) | 0.799 |
≥25 | 120 (50.6) | 117 (49.4) | |
Department | |||
Administrative job | 97 (61.4) | 61 (38.6) | 0.004 |
Non-Administrative job | 240 (48.1) | 259 (51.9) | |
Musculoskeletal symptoms | |||
No | 259 (62.3) | 157 (37.7) | <0.001 |
Yes | 78 (32.4) | 163 (67.6) | |
Shift work | |||
No | 88 (61.5) | 55 (38.5) | 0.006 |
Yes | 249 (48.4) | 265 (51.6) | |
BDI-2‡ | |||
Normal range | 319 (59.5) | 217 (40.5) | <0.001 |
Abnormal range | 18 (14.9) | 103 (85.1) | |
PWI-SF§ | |||
Healthy group | 58 (85.3) | 10 (14.7) | <0.001 |
Latent stress group | 262 (15.9) | 220 (45.6) | |
Stress group | 17 (15.9) | 90 (84.1) | |