Table 3 Differences in demographic characteristics among the latent classes
Variables | Class 1 (n = 91) | Class 2 (n = 157) | Class 3 (n = 390) | P value |
|---|---|---|---|---|
Age (mean ± SD), years | 48.60 ± 9.65 | 47.21 ± 9.95 | 48.78 ± 10.52 | 0.25 |
Religion | Â | Â | Â | 0.15 |
 Yes | 9 (9.89) | 16 (10.19) | 29 (7.44) |  |
 No | 82 (90.11) | 141 (89.81) | 361 (92.56) |  |
Marital status | Â | Â | Â | 0.11 |
 Single | 2 (2.20) | 3 (1.91) | 8 (2.05) |  |
 Married | 82 (90.11) | 152 (96.81) | 365 (93.59) |  |
 Divorced | 3 (3.30) | 1 (0.64) | 11 (2.82) |  |
 Widowed | 4 (4.39) | 1 (0.64) | 6 (1.54) |  |
Childbearing history | Â | Â | Â | 0.53 |
 Yes | 86 (94.51) | 150 (95.54) | 384 (98.46) |  |
 No | 5 (5.49) | 7 (4.46) | 6 (1.54) |  |
Educational background |  |  |  | < 0.00 |
 Primary school or below | 23 (25.27) | 46 (29.30) | 93 (23.85) |  |
 Secondary school | 33 (36.26) | 45 (28.66) | 41 (10.51) |  |
 High school | 25 (27.48) | 36 (22.93) | 150 (38.46) |  |
 University or above | 10 (10.99) | 30 (19.11) | 106 (27.18) |  |
Menstrual status | Â | Â | Â | 0.08 |
 Premenopausal | 51 (56.04) | 72 (45.86) | 213 (54.62) |  |
 Postmenopausal | 40 (43.96) | 85 (54.14) | 177 (45.38) |  |
Living style | Â | Â | Â | 0.42 |
 Living alone | 5 (5.49) | 8 (5.10) | 5 (1.28) |  |
 Living with family | 82 (90.11) | 142 (90.45) | 377 (96.67) |  |
 Living with others | 4 (4.40) | 7 (4.45) | 8 (2.05) |  |
Employment status | Â | Â | Â | 0.02 |
 Employed | 4 (4.40) | 23 (14.64) | 265 (67.95) |  |
 Retired | 15 (16.48) | 67 (42.68) | 78 (20.00) |  |
 Unemployed | 72 (79.12) | 67 (42.68) | 47 (12.05) |  |
Monthly family income (¥) |  |  |  | < 0.00 |
 ≤ 6000 | 77 (84.62) | 80 (50.96) | 163 (41.79) |  |
 > 6000 | 14 (15.38) | 77 (49.04) | 227 (58.21) |  |
Medical insurance |  |  |  | < 0.00 |
 Free medical insurance | 2 (2.20) | 2 (1.27) | 0 (0.00) |  |
 Employee health insurance | 32 (35.16) | 53 (33.76) | 175 (44.87) |  |
 Rural health insurance | 52 (57.14) | 94 (59.87) | 197 (50.51) |  |
 Without health insurance | 5 (5.50) | 8 (5.10) | 18 (4.62) |  |
Cycle of chemotherapy | Â | Â | Â | 0.23 |
 1–3 cycles | 42 (46.15) | 80 (50.96) | 125 (32.05) |  |
 4–6 cycles | 22 (24.18) | 38 (24.20) | 210 (53.85) |  |
 > 6 cycles | 27 (29.67) | 39 (24.84) | 55 (14.10) |  |