Variables | Md(Q3-Q1)/n(%) | Z/χ2 | P | ||||
---|---|---|---|---|---|---|---|
ED group (n = 315) | Control group (n = 315) | ||||||
1. Personal characteristics | |||||||
 Age (years) | 46 (49–44) | 46 (49–44) | −0.074 | 0.941 | |||
 Gender | Female | 251 (79.7) | 253 (80.3) | 0.040 | 0.842 | ||
Male | 64 (20.3) | 62 (19.7) | |||||
 Years of education | 15 (16–12) | 12 (14–9) | −10.997 | < 0.001 | |||
 Psychical illness | No | 299 (94.9) | 304 (96.5) | 0.967 | 0.325 | ||
Yes | 16 (5.1) | 11 (3.5) | |||||
 Mental illness | No | 277 (87.9) | 300 (95.2) | 10.898 | 0.001 | ||
Yes | 38 (12.1) | 15 (4.8) | |||||
 Weight dissatisfied | No | 204 (64.8) | – | – | – | ||
Yes | 111 (35.2) | ||||||
 Body shape dissatisfied | No | 221 (70.2) | – | – | – | ||
Yes | 94 (29.8) | ||||||
2. Offspring information | |||||||
 Age (years) | 18 (21–16) | 17 (19–13) | −6.308 | < 0.001 | |||
 Gender | Female | 286 (90.8) | 199 (63.2) | 67.806 | < 0.001 | ||
Male | 29 (9.2) | 116 (36.8) | |||||
 Definitely diagnosed with ED | No |  | 53 (16.8) | – | – | – | |
Yes | AN | 140 (44.4) | |||||
BN | 77 (24.4) | ||||||
BED | 28 (8.9) | ||||||
EDNOS | 17 (5.4) | ||||||
 Diagnostic subtypes | AN | Age (years) | 17 (20–15) | – | – | – | |
Gender | Female | 129 (49.2) | |||||
Male | 11 (4.2) | ||||||
BN | Age (years) | 20 (22.5–18) | – | – | – | ||
Gender | Female | 75 (28.6) | |||||
Male | 2 (0.8) | ||||||
BED | Age (years) | 19.5 (22–18) | – | – | – | ||
Gender | Female | 28 (10.7) | |||||
Male | 0 (0) | ||||||
EDNOS | Age (years) | 17 (21.5–16) | – | – | – | ||
Gender | Female | 16 (6.1) | |||||
Male | 1 (0.4) | ||||||
3. Family information | |||||||
 Economic level | Low | 66 (21.0) | 113 (35.9) | 25.745 | < 0.001 | ||
Medium | 233 (74.0) | 200 (63.5) | |||||
High | 16 (5.1) | 2 (0.6) | |||||
 Housing area per capita (m2) | 37 (46.67–30) | 30 (37.5–22) | −7.018 | < 0.001 | |||
 Marital satisfaction (0–100) | 79 (85–60) | 86 (100–79) | −7.647 | < 0.001 | |||
 Intimacy with offspring (0–100) | 70 (82–53) | 85 (100–80) | −10.940 | < 0.001 | |||
 Place of residence during the COVID-19 pandemic | Central China | 17 (5.4) | 40 (12.7) | 10.204 | 0.001 | ||
Non-central China | 298 (94.6) | 275 (87.3) | |||||
 Family conflicts | No | 173 (54.9) | 265 (84.1) | 63.408 | < 0.001 | ||
Yes | 142 (45.1) | 50 (15.9) | |||||
 Diagnosed with COVID-19 | No | 314 (99.7) | 314 (99.7) | 0.000 | 1.000 | ||
Yes | 1 (0.3) | 1 (0.3) | |||||
 Isolation caused by COVID-19 | No | 304 (96.5) | 293 (93.0) | 3.869 | 0.049 | ||
Yes | 11 (3.5) | 22 (7.0) | |||||
 Parenting style | Authoritative | 90 (28.6) | 77 (24.4) | 23.275 | < 0.001 | ||
Authoritarian | 40 (12.7) | 14 (4.4) | |||||
Democratic | 159 (50.5) | 209 (66.3) | |||||
Permissive | 26 (8.3) | 15 (4.8) | |||||
 Interaction time with offspring before the COVID-19 pandemic (minutes/day) | 60 (120–30) | 60 (150–30) | −3.359 | 0.001 | |||
 Interaction time with offspring during the COVID-19 pandemic (minutes/day) | 110 (200–31.25) | 180 (300–60) | −4.684 | < 0.001 |