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Table 1 Differences in health-related quality of life according to general and occupational characteristics (N = 196)

From: The association between occupational factors, depression, and health-related quality of life in military women in the Republic of Korea: a cross-sectional study

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)
  1. Multiple comparisons with Bonferroni procedures resulted in no significant differences between groups