Table 1.
Demographics, socio-economic and lifestyle characteristics overall and by quality of sleep tertiles.
| Quality of sleep | |||||
|---|---|---|---|---|---|
| Characteristics | Overalla | Goodd | Moderated | Poord | P -value |
| (N = 1,140) | (N = 541) | (N = 273) | (N = 326) | ||
| Quality of sleep score a | 5 (3, 7) | 3 (2, 4) | 5 (5, 6) | 9 (7, 10) | <0.01 b |
| Number of morbidities | 1 (0, 2) | 0 (0, 1) | 1 (0, 1) | 1 (1, 2) | <0.01 b |
| Age group | |||||
| 18–24 | 5 (3, 7) | 76 (45.5) | 49 (29.3) | 42 (25.2) | 0.17c |
| 25–44 | 5 (3, 7) | 247 (47.1) | 135 (25.8) | 142 (27.1) | |
| 45–64 | 5 (3, 7) | 155 (49.4) | 62 (19.7) | 97 (30.9) | |
| 65+ | 5 (3, 8) | 63 (46.7) | 27 (20.0) | 45 (33.3) | |
| Sex | |||||
| Male | 4 (3, 6) | 251 (50.5) | 124 (25.0) | 122 (24.5) | 0.03 c |
| Female | 5 (3, 7) | 289 (45.0) | 149 (23.2) | 204 (31.8) | |
| Geographical area | |||||
| Nicosia | 5 (3, 7) | 239 (48.5) | 124 (25.1) | 130 (26.4) | <0.01 c |
| Limassol | 5 (3, 7) | 151 (48.5) | 72 (23.2) | 88 (28.3) | |
| Larnaka | 5 (3, 7) | 83 (48.5) | 43 (25.2) | 45 (26.3) | |
| Paphos | 6 (4, 8) | 42 (37.2) | 19 (16.8) | 52 (46.0) | |
| Ammochostos | 5 (2, 6) | 24 (48.0) | 15 (30.0) | 11 (22.0) | |
| Residency | |||||
| Urban | 5 (3, 7) | 408 (47.2) | 202 (23.4) | 254 (29.4) | 0.54c |
| Rural | 5 (3, 7) | 128 (47.6) | 80 (26.0) | 71 (26.4) | |
| Marital status | |||||
| Married | 5 (3, 7) | 307 (49.8) | 130 (21.1) | 179 (29.1) | 0.03 c |
| Single | 5 (3, 7) | 185 (43.9) | 123 (29.2) | 113 (26.9) | |
| Divorced/Widowed | 5 (3, 8) | 47 (49.0) | 18 (18.7) | 31 (32.3) | |
| Educational status | |||||
| Primary | 5 (3, 8) | 30 (45.5) | 13 (19.7) | 23 (34.8) | 0.79c |
| Secondary | 5 (3, 7) | 163 (48.2) | 82 (24.3) | 93 (27.5) | |
| Higher | 4 (1, 6) | 343 (47.0) | 177 (24.3) | 209 (28.7) | |
| Salary group | |||||
| Low | 5 (3, 7) | 104 (43.2) | 64 (26.5) | 73 (30.3) | 0.19c |
| Middle | 5 (3, 7) | 259 (46.1) | 140 (24.9) | 163 (29.0) | |
| High | 4 (3, 7) | 173 (52.7) | 68 (20.7) | 87 (26.6) | |
| Physically active | |||||
| Yes | 4 (3, 7) | 275 (50.8) | 125 (23.1) | 141 (26.1) | 0.08c |
| No | 5 (3, 7) | 262 (44.3) | 147 (24.9) | 182 (30.8) | |
| Current smoker | |||||
| Yes | 5 (3, 7) | 178 (44.3) | 97 (24.1) | 127 (31.6) | 0.18c |
| No | 5 (3, 7) | 360 (49.3) | 175 (23.9) | 196 (26.8) | |
| BMI group | |||||
| Underweight | 5 (3, 7) | 18 (42.9) | 13 (31.0) | 11 (26.1) | 0.15c |
| Normal | 5 (3, 7) | 277 (49.0) | 142 (25.2) | 146 (25.8) | |
| Overweight | 5 (3, 8) | 164 (45.3) | 75 (20.7) | 123 (34.0) | |
| Obese | 5 (3, 7) | 75 (49.3) | 38 (25.0) | 39 (25.7) | |
Bold values represent statistically significant associations p < 0.05; BMI (body mass index).
a
Median PSQI score (first quartile, third quartile).
b
Kruskal-Wallis equality-of-populations rank test.
c
Pearson's chi-squared test.
d
N (%).