Table 3.
Baseline general characteristics by quintile (Q) of factor scores for 1464 postmenopausal Korean womena
| Traditional | Dairy | Western | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Q1 | Q5 | p | Q1 | Q5 | p | Q1 | Q5 | p | |
| Mean age (SD), y | 59.4 (6.8) | 58.2 (6.6) | 0.0247 | 60.3 (6.0) | 56.7 (6.8) | <0.0001 | 60.0 (6.4) | 56.9 (6.7) | <0.0001 |
| Mean age of menarche (SD), y | 16.4 (1.7) | 16.4 (1.9) | 0.9540 | 16.5 (1.7) | 16.1 (1.7) | 0.0025 | 16.2 (1.9) | 16.3 (2.0) | 0.8215 |
| Mean age of menopause (SD), y | 48.7 (4.4) | 49.0 (3.9) | 0.4226 | 48.8 (4.2) | 48.7 (4.1) | 0.7269 | 48.8 (4.2) | 48.6 (4.1) | 0.7195 |
| Area, n (%) | 0.8237 | <0.0001 | 0.0001 | ||||||
| Rural | 228 (49.7) | 231 (50.3) | 277 (66.3) | 141 (33.7) | 238 (54.7) | 197 (45.3) | |||
| Urban | 64 (50.8) | 62 (49.2) | 15 (9.0) | 152 (91.0) | 55 (36.7) | 95 (63.3) | |||
| Marital status, n (%) | 0.0450 | 0.0909 | 0.1184 | ||||||
| Married | 226 (48.0) | 245 (52.0) | 224 (48.1) | 242 (51.9) | 230 (48.5) | 244 (51.5) | |||
| Others (single, widowed) | 65 (58.6) | 46 (41.4) | 67 (56.8) | 51 (43.2) | 63 (56.8) | 48 (43.2) | |||
| Education, n (%) | 0.0137 | <0.0001 | <0.0001 | ||||||
| Elementary school degree | 205 (53.3) | 180 (46.7) | 231 (65.4) | 122 (34.6) | 207 (58.6) | 146 (41.4) | |||
| Middle or high school degree | 76 (43.4) | 99 (56.6) | 56 (27.9) | 145 (72.1) | 77 (37.8) | 127 (62.3) | |||
| College degree or above | 4 (25.0) | 12 (75.0) | 2 (7.4) | 25 (92.6) | 7 (31.8) | 15 (68.2) | |||
| Income, n (%) | 0.0303 | <0.0001 | <0.0001 | ||||||
| <$1000 | 188 (54.8) | 155 (45.2) | 210 (64.6) | 115 (35.4) | 202 (59.9) | 135 (40.1) | |||
| $1000–2000 | 62 (45.6) | 74 (54.4) | 52 (37.7) | 86 (62.3) | 50 (37.9) | 82 (62.1) | |||
| $2000–3000 | 26 (47.3) | 29 (52.7) | 14 (22.6) | 48 (77.4) | 14 (28.6) | 35 (71.4) | |||
| >$3000 | 12 (32.4) | 25 (67.6) | 8 (18.2) | 36 (81.8) | 17 (33.3) | 34 (66.7) | |||
| Exercise, n (%) | 0.0124 | <0.0001 | 0.2289 | ||||||
| No | 242 (52.6) | 218 (47.4) | 259 (59.3) | 178 (40.7) | 232 (51.4) | 219 (48.6) | |||
| Yes | 50 (40.0) | 75 (60.0) | 33 (22.3) | 115 (77.7) | 61 (45.5) | 73 (54.5) | |||
| Passive smoking, n (%) | 0.0798 | 0.0002 | 0.6932 | ||||||
| No | 177 (54.5) | 148 (45.5) | 143 (42.6) | 193 (57.4) | 170 (50.3) | 168 (49.7) | |||
| Yes | 103 (46.8) | 117 (53.2) | 124 (59.1) | 86 (41.0) | 101 (48.6) | 107 (51.4) | |||
| Height, mean (SD), cm | 151.5 (5.2) | 152.7 (5.4) | 0.0047 | 151.5 (5.2) | 154.3 (5.1) | <0.0001 | 152.3 (5.8) | 152.7 (5.3) | 0.4299 |
| Weight, mean (SD), kg | 56.4 (8.3) | 58.4 (8.2) | 0.0026 | 57.9 (8.4) | 59.3 (8.8) | 0.0335 | 58.1 (8.6) | 58.1 (8.1) | 0.9468 |
| BMI, mean (SD), m2/kg | 24.5 (3.3) | 25.0 (3.0) | 0.0710 | 25.2 (3.2) | 24.9 (3.1) | 0.3456 | 25.0 (3.2) | 24.9 (3.0) | 0.5759 |
| Radius SOS, mean (SD), m/s | 4,143.5 (180.0) | 4,138.8 (183.8) | 0.7532 | 4,092.1 (177.5) | 4,169.2 (180.1) | <0.0001 | 4,135.2 (187.1) | 4,141.8 (175.4) | 0.6609 |
| Tibia SOS, mean (SD), m/s | 3,780.8 (168.7) | 3,805.2 (158.9) | 0.0722 | 3,770.2 (155.0) | 3,848.3 (156.5) | <0.0001 | 3,796.9 (160.0) | 3,813.5 (162.2) | 0.2134 |
| Prevalence at radius, n (%) | 0.5767 | 0.0305 | 0.3196 | ||||||
| Normal | 267 (50.3) | 264 (49.7) | 253 (48.4) | 270 (51.6) | 263 (49.4) | 269 (50.6) | |||
| Osteoporosis | 25 (46.3) | 29 (53.7) | 39 (62.9) | 23 (37.1) | 30 (56.6) | 23 (43.4) | |||
| Prevalence at tibia, n (%) | 0.0958 | 0.0002 | 0.0855 | ||||||
| Normal | 198 (47.7) | 217 (52.3) | 193 (45.2) | 234 (54.8) | 201 (47.9) | 219 (52.1) | |||
| Osteoporosis | 94 (55.3) | 76 (44.7) | 99 (62.7) | 59 (37.3) | 92 (55.8) | 73 (44.2) | |||
aThe factors were standardized continuous variables, and each participant received a score for each factor. N = 292 in Q1, and N = 293 in Q5.
BMI = body mass index; SD = standard deviation; SOS = speed of sound.