Table 1. Balance test of baseline data between the follow-up completion group and the lost-to-follow-up group (N=70).
| Project and group | Lost-to-follow-up group (n=16) | Follow-up completion group (n=54) | Statistics | P value |
|---|---|---|---|---|
| Age (years), mean (SD) | 43.38 (7.974) | 44.07 (7.427) | –0.33 (68)a | .76 |
| Number of children, n (%) | 0.44 (2)b | .80 | ||
| 0 | 2 (12.5) | 4 (7.4) | ||
| 1 | 6 (37.5) | 20 (37) | ||
| ≥2 | 8 (50) | 30 (55.6) | ||
| Marital status, n (%) | 0.07 (1)c | .79 | ||
| Married | 16 (100) | 51 (94.4) | ||
| Unmarried | 0 (0) | 3 (5.6) | ||
| Educational attainment, n (%) | 0.75 (2)b | .69 | ||
| Junior high school or below | 4 (25) | 9 (16.7) | ||
| High school or technical secondary | 5 (31.2) | 22 (40.7) | ||
| College or above | 7 (43.8) | 23 (42.6) | ||
| Occupation type, n (%) | 1.26 (4)b | .87 | ||
| Enterprise employee | 4 (25) | 14 (25.9) | ||
| Farmer or worker | 3 (18.8) | 5 (9.3) | ||
| Government employee | 4 (25) | 14 (25.9) | ||
| Freelancer | 3 (18.8) | 11 (20.4) | ||
| Unemployed | 2 (12.4) | 10 (18.5) | ||
| Place of residence, n (%) | 0.16 (1)b | .69 | ||
| Town | 12 (75) | 43 (79.6) | ||
| Rural area | 4 (25) | 11 (20.4) | ||
| Religious belief, n (%) | 0.51 (1)c | .48 | ||
| None | 16 (100) | 49 (90.7) | ||
| Yes | 0 (0) | 5 (9.3) | ||
| Monthly household income per capita (CNY), n (%) | 3.62 (3)b | .31 | ||
| <3000 (US $420) | 5 (31.3) | 11 20.3) | ||
| 3000-5000 (US $420-700) | 1 (6.3) | 15 (27.8) | ||
| 5001-10,000 (US $700-1400) | 6 (37.4) | 19 (35.2) | ||
| ＞10,000 (US $1400) | 4 (25) | 9 (16.7) | ||
| Tumor grade, n (%) | 0.51 (2)b | .77 | ||
| I | 2 (12.5) | 11 (20.4) | ||
| II | 8 (50) | 24 (44.4) | ||
| III | 6 (37.5) | 19 (35.2) | ||
| Lymph node metastasis, n (%) | 0.81 (2)b | .37 | ||
| No | 6 (37.5) | 14 (25.9) | ||
| Yes | 10 (62.5) | 40 (74.1) | ||
| Axillary lymph node dissection, n (%) | 0.63 (1)c | .43 | ||
| Yes | 1 (6.3) | 10 (18.5) | ||
| No | 15 (93.7) | 44 (81.5) | ||
| Triple-negative, n (%) | —e | 1d | ||
| Yes | 1 (6.3) | 4 (7.4) | ||
| No | 15 (93.7) | 50 (92.6) | ||
| Lesion location, n (%) | — | .34d | ||
| Left only | 11 (68.8) | 29 (53.7) | ||
| Right only | 4 (25) | 23 (42.6) | ||
| Bilateral | 1 (6.2) | 2 (3.7) | ||
| Type of surgery, n (%) | — | .09d | ||
| Breast-conserving surgery | 9 (56.3) | 36 (66.7) | ||
| Modified radical surgery | 6 (37.4) | 7 (13) | ||
| Total resection | 1 (6.3) | 11 (20.3) | ||
| Received chemotherapy, n (%) | 0.10 (1)b | .76 | ||
| Yes | 10 (62.5) | 36 (66.7) | ||
| No | 6 (37.5) | 18 (33.3) | ||
| Self-efficacy, mean (SD) | 25.88 (7.35) | 26.76 (6.87) | –0.45 (68)a | .66 |
| Social support, mean (SD) | 40.94 (7.63) | 45.19 (6.88) | –2.12 (68)a | .04 |
| Coping strategies, n (%) | ||||
| Facing | 20.13 (3.76) | 20.22 (2.93) | –0.11 (68)a | .91 |
| Avoidance | 17.69 (2.70) | 17.35 (2.74) | 0.43 (68)a | .67 |
| Yield | 8.75 (3.30) | 7.98 (2.33) | 1.05 (68)a | .30 |
| Psychosocial adjustment, mean (SD) | 49.56 (20.32) | 43.94 (17.06) | 1.11 (68)a | .27 |
a
t test.
b
Pearson chi-square test.
c
Continuous correction chi-square test: the expected value of the cell is <5.
d
Fisher exact probability method: the expected value of the cell is <1.
e
Not available.