Table 2.
Distribution of AD Cases and Nonallergic Noneczema Controls Based on the Various Established Dietary Indices among 11,494 Young Chinese Adults in the SMCGES
| AD Presentation | AD Case (n = 1,550) | Nonallergic Noneczema Control (n = 2,978) | Chi-Square P-Value |
|---|---|---|---|
| DPS | |||
| Low total protein score | 508 (32.8%) | 1145 (38.4%) | 6.249 × 10−7 |
| Moderate total protein score | 584 (37.7%) | 1177 (39.5%) | |
| High total protein score | 458 (29.5%) | 656 (22.0%) | |
| APS | |||
| Low APS | 467 (30.1%) | 1041 (35.0%) | 1.553 × 10−6 |
| Moderate APS | 495 (37.9%) | 1031 (34.6%) | |
| High APS | 588 (37.9%) | 906 (30.4%) | |
| PPS | |||
| Low PPS | 504 (32.5%) | 856 (28.7%) | 3.167 × 10−2 |
| Moderate PPS | 523 (33.7%) | 1059 (35.6%) | |
| High PPS | 523 (33.7%) | 1063 (35.7%) | |
| Combined animal/plant score | |||
| High APS and low PPS | 100 (6.50%) | 109 (3.70%) | 6.029 × 10−9 |
| High APS and moderate PPS | 193 (12.5%) | 252 (8.50%) | |
| High APS and high PPS | 295 (19.0%) | 545 (18.3%) | |
| Moderate APS and low PPS | 179 (11.5%) | 306 (10.3%) | |
| Moderate APS and moderate PPS | 177 (11.4%) | 422 (14.2%) | |
| Moderate APS and high PPS | 139 (9.00%) | 303 (10.2%) | |
| Low APS and low PPS | 225 (14.5%) | 441 (14.8%) | |
| Low APS and moderate PPS | 153 (9.90%) | 385 (12.9%) | |
| Low APS and high PPS | 89 (5.70%) | 215 (7.20%) | |
| Combined dietary scores (DPS and DFS) | |||
| High PPS and low-fat score | 160 | 283 | 6.406 × 10−8 |
| High PPS and moderate-fat score | 212 | 502 | |
| High PPS and high-fat score | 178 | 333 | |
| Moderate PPS and low-fat score | 133 | 228 | |
| Moderate PPS and moderate-fat score | 151 | 400 | |
| Moderate PPS and high-fat score | 189 | 411 | |
| Low PPS and low-fat score | 183 | 248 | |
| Low PPS and moderate-fat score | 52 | 135 | |
| Low PPS and high-fat score | 292 | 438 | |
| Combined dietary scores (DPS and QDGIS) | |||
| High PPS and good QDGIS class | 185 | 327 | 1.147 × 10−1 |
| High PPS and moderate QDGIS class | 282 | 566 | |
| High PPS and poor QDGIS class | 172 | 384 | |
| Moderate PPS and good QDGIS class | 69 | 113 | |
| Moderate PPS and moderate QDGIS class | 195 | 429 | |
| Moderate PPS and poor QDGIS class | 204 | 414 | |
| Low PPS and good QDGIS class | 124 | 216 | |
| Low PPS and moderate QDGIS class | 98 | 161 | |
| Low PPS and poor QDGIS class | 221 | 368 | |
Abbreviations: AD, atopic dermatitis; APS, animal protein score; DPS, dietary protein score; PPS, plant protein score; QDGIS, quality of diet based on glycaemic index score; SMCGES, Singapore/Malaysia Cross-sectional Genetic Epidemiology Study.
A chi-square P-value < 0.001 (as adjusted by Bonferroni’s correction for multiple comparisons) is considered statistically significant and is written in bold.