Table 3 Association between abdominal diameter and gastro‐oesophageal reflux‐type symptoms by ethnicity, with and without adjustment for body mass index.
White | Black | Asian | |||||
---|---|---|---|---|---|---|---|
Total subjects* | Without adjustment for BMI | With adjustment for BMI | Without adjustment for BMI | With adjustment for BMI | Without adjustment for BMI | With adjustment for BMI | |
Total subjects | 35 307 | 28 377 | 6207 | 4233 | 1621 | 1424 | |
Abdominal diameter† (cm) | OR (95% CI)‡ | ||||||
<16.3 | 7966 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
16.3–17.9 | 10 288 | 1.01 (0.89 to 1.15) | 1.01 (0.89 to 1.15) | 0.80 (0.56 to 1.12) | 0.80 (0.57 to 1.13) | 0.86 (0.52 to 1.43) | 0.83 (0.50 to 1.38) |
18.0–19.9 | 15 688 | 1.17 (1.05 to 1.32) | 1.12 (0.99 to 1.26) | 0.76 (0.56 to 1.04) | 0.75 (0.55 to 1.03) | 1.02 (0.64 to 1.62) | 0.91 (0.55 to 1.49) |
20.0–21.9 | 17 153 | 1.38 (1.23 to 1.56) | 1.22 (1.08 to 1.38) | 1.03 (0.76 to 1.39) | 0.98 (0.71 to 1.35) | 1.13 (0.69 to 1.85) | 0.80 (0.44 to 1.44) |
22.0–23.9 | 12 776 | 1.82 (1.61 to 2.06) | 1.47 (1.28 to 1.68) | 1.06 (0.77 to 1.46) | 0.85 (0.59 to 1.22) | 1.09 (0.58 to 2.05) | 0.62 (0.28 to 1.39) |
24.0–25.9 | 7970 | 1.99 (1.73 to 2.29) | 1.62 (1.37 to 1.91) | 1.21 (0.86 to 1.71) | 0.98 (0.64 to 1.50) | 1.32 (0.61 to 2.84) | 0.86 (0.30 to 2.44) |
⩾26 | 8269 | 2.68 (2.33 to 3.08) | 1.85 (1.55 to 2.21) | 1.67 (1.18 to 2.36) | 0.95 (0.61 to 1.48) | 1.37 (0.52 to 3.57) | 0.64 (0.18 to 2.30) |
Test for trend§ | p<0.01 | p<0.01 | p<0.01 | p = 0.11 | p = 0.18 | p = 0.78 |
BMI, body mass index.
*Row totals by each category of abdominal diameter.
†Reference category is the lowest decile of abdominal diameter.
‡ORs adjusted for age at examination, current smoking status, BMI and current alcohol use (see text for details).
§Test for trend across categories of abdominal diameter.