Table 2.
General characteristics of study participants at baseline (n = 88).
| Variable | Characteristics | CDIP Group | Routine Care Group | Statistics | p-Value |
|---|---|---|---|---|---|
| Education Level | Below Associate Degree | 9 (20.5%) | 15 (35.1%) | 2.267 c | 0.315 |
| Associate Degree and Bachelor’s Degree | 30 (68.2%) | 26 (59.1%) | |||
| Bachelor’s Degree and Above | 5 (11.4%) | 3 (6.8%) | |||
| Family Annual Income | <10,000 CNY | 5 (11.4%) | 12 (27.3%) | 5.599 c | 0.133 |
| 10,000 to 20,000 CNY | 27 (61.4%) | 20 (45.5%) | |||
| >20,000 to 40,000 CNY | 7 (15.9%) | 10 (22.7%) | |||
| >40,000 CNY | 5 (11.4%) | 2 (4.5%) | |||
| Cuisine Preference | Hunan Cuisine | 4 (9.1%) | 4 (9.1%) | 0.363 c | 0.969 |
| Sichuan Cuisine | 5 (11.4%) | 6 (13.6%) | |||
| Anhui Cuisine | 7 (15.9%) | 8 (18.2%) | |||
| Jiangsu Cuisine | 28 (63.6%) | 26 (59.1%) | |||
| Pre-Pregnancy Body Mass Index | 20.54 (19.57~22.24) | 21.28 (20.23~22.60) | −1.836 a | 0.066 | |
| Family Function | 14 (12~15) | 14 (11~15) | −0.223 a | 0.823 | |
| Age | 26.89 ± 3.47 | 26.14 ± 2.33 | 1.190 b | 0.237 | |
| Gestational Age at Baseline | 11.89 ± 0.42 | 11.82 ± 0.40 | 0.743 b | 0.459 | |
| Physical Activity Level | 108.69 ± 29.88 | 108.74 ± 27.72 | −0.009 b | 0.993 |
Note: Continuous variables normally distributed are presented as mean ± standard deviation, non-normally distributed continuous variables as median (interquartile range), categorical variables as frequencies (percentages); ‘a’ indicates Mann–Whitney test; ‘b’ denotes independent t-test; ‘c’ signifies Fisher’s Chi-squared test.