Table 1 Differences in health-related quality of life according to general and occupational characteristics (N = 196)
Variable | Categories | n (%) or Mean ± SD | Health-related quality of life | |||
|---|---|---|---|---|---|---|
Physical component summary | t or F or r (p) | Mental component summary | t or F or r (p) | |||
Mean ± SD | Mean ± SD | |||||
General characteristics | ||||||
Age (years) | 25.2 ± 2.2 | 0.05 (0.519) | 0.14 (0.056) | |||
Body mass index (kg/m2) | < 18.5 | 7 (3.6) | 59.8 ± 2.8 | 2.68 (0.048)† | 46.0 ± 8.2 | 0.07 (0.978) |
18.5–22.9 | 145 (74.0) | 55.8 ± 5.6 | 47.3 ± 9.7 | |||
23.0–24.9 | 21 (10.7) | 57.7 ± 4.3 | 46.6 ± 11.3 | |||
≥ 25 | 23 (11.7) | 54.0 ± 7.6 | 47.4 ± 11.9 | |||
Religion | Yes | 101 (51.5) | 55.4 ± 5.8 | 1.33 (0.184) | 47.2 ± 9.9 | − 0.13 (0.896) |
No | 95 (48.5) | 56.5 ± 5.7 | 47.1 ± 10.3 | |||
Education | ≤ High school | 9 (4.5) | 58.2 ± 6.1 | 1.16 (0.316) | 45.3 ± 10.0 | 0.43 (0.648) |
College | 45 (23.0) | 55.2 ± 5.5 | 48.2 ± 10.0 | |||
≥ University | 142 (72.5) | 56.0 ± 5.8 | 46.9 ± 10.1 | |||
Marital status | Unmarried | 172 (87.8) | 55.8 ± 5.9 | − 1.06 (0.290) | 46.6 ± 9.7 | − 2.22 (0.027) |
Married | 24 (12.2) | 57.1 ± 4.7 | 51.4 ± 11.6 | |||
Living situation (n = 24) | With spouse | 16 (66.7) | 58.6 ± 2.9 | − 1.94 (0.086) | 56.4 ± 4.6 | − 2.77 (0.025) |
Without spouse | 8 (33.3) | 54.1 ± 6.2 | 41.3 ± 15.0 | |||
Age at menarche (years) | 13.2 ± 1.5 | − 0.05 (0.476) | 0.01 (0.914) | |||
Menstrual cycle (n = 181) | Regular | 133 (73.5) | 56.3 ± 5.6 | 0.98 (0.327) | 47.2 ± 10.6 | 0.14 (0.891) |
Irregular | 48 (26.5) | 55.4 ± 6.1 | 47.0 ± 9.2 | |||
Length of menstrual cycle (n = 181) | 34.6 ± 26.8 | 0.06 (0.399) | 0.01 (0.914) | |||
Pregnancy experience | Yes | 10 (5.1) | 56.4 ± 5.0 | − 0.25 (0.806) | 51.4 ± 8.7 | − 1.38 (0.169) |
No | 186 (94.9) | 55.9 ± 5.8 | 46.9 ± 10.1 | |||
Number of pregnancies (n = 10) | 1 | 7 (70.0) | 56.6 ± 5.5 | 0.20 (0.849) | 48.4 ± 8.8 | − 2.99 (0.023) |
2 or more | 3 (30.0) | 55.9 ± 4.4 | 58.5 ± 0.8 | |||
Delivery experience | Yes | 8 (4.1) | 56.1 ± 5.4 | − 0.08 (0.933) | 52.5 ± 9.4 | − 1.53 (0.127) |
No | 188 (95.9) | 55.9 ± 5.8 | 46.9 ± 10.0 | |||
Age at first birth (n = 8) | 26.5 ± 2.5 | − 0.20 (0.638) | − 0.58 (0.134) | |||
History of oral contraceptive use | Yes | 50 (25.5) | 55.4 ± 5.8 | 0.81 (0.419) | 48.6 ± 9.6 | − 1.15 (0.251) |
No | 146 (74.5) | 56.1 ± 5.8 | 46.7 ± 10.2 | |||
Duration of oral contraceptive use (month) | 5.1 ± 6.7 | − 0.04 (0.669) | − 0.15 (0.159) | |||
Occupational characteristics | ||||||
Rank | Non-commissioned officer | 69 (35.2) | 55.5 ± 6.1 | − 0.88 (0.382) | 49.4 ± 9.6 | 2.39 (0.018) |
Officer | 127 (64.8) | 56.2 ± 5.6 | 45.9 ± 10.1 | |||
Branch | Combat | 77 (39.3) | 56.1 ± 5.8 | 0.19 (0.830) | 47.4 ± 10.4 | 0.05 (0.949) |
Technical & Administrative | 41 (20.9) | 55.5 ± 6.0 | 47.2 ± 10.6 | |||
Specialized | 78 (39.8) | 56.0 ± 5.7 | 46.9 ± 9.4 | |||
Duration of service (month) | 32.7 ± 15.7 | 0.10 (0.171) | 0.12 (0.088) | |||
Working area | Urban area | 94 (48.0) | 56.2 ± 4.8 | 0.56 (0.576) | 48.0 ± 9.2 | 1.17 (0.243) |
Rural area | 102 (52.0) | 55.7 ± 6.6 | 46.4 ± 10.7 | |||
Duty time | Day time | 164 (83.7) | 56.2 ± 5.7 | 0.82 (0.444) | 47.2 ± 10.2 | 1.03 (0.358) |
Night time | 9 (4.6) | 54.7 ± 7.4 | 42.9 ± 12.6 | |||
Shift work | 23 (11.7) | 54.8 ± 5.8 | 48.5 ± 7.5 | |||
Service type | Short-term service | 80 (40.8) | 55.4 ± 6.4 | 0.96 (0.385) | 46.6 ± 9.9 | 0.23 (0.793) |
Extended service | 44 (22.5) | 55.8 ± 5.4 | 47.5 ± 10.4 | |||
Long-term service | 72 (36.7) | 56.7 ± 5.3 | 47.6 ± 10.0 | |||
Number of overtime days | 7.7 ± 8.2 | − 0.06 (0.391) | − 0.16 (0.023) | |||