Table 3 Association of WBGT with GERD in different geographic regions using multivariable logistic regression analysis.

From: Association between wet-bulb globe temperature with gastroesophageal reflux disease in different geographic regions in a large Taiwanese population study

WBGT

GERD

 
 

Odds ratio (95% CI)

p

Noon period

Northern Taiwan (n = 40,170)

 

1-year average of WBGT (per 1 ℃)

1.007 (0.972–1.044)

0.687

3-year average of WBGT (per 1 ℃)

1.021 (0.986–1.056)

0.238

5-year average of WBGT (per 1 ℃)

1.021 (0.986–1.057)

0.249

Work period

1-year average of WBGT (per 1 ℃)

1.004 (0.978–1.030)

0.781

3-year average of WBGT (per 1 ℃)

1.012 (0.986–1.038)

0.373

5-year average of WBGT (per 1 ℃)

1.014 (0.989–1.039)

0.290

Noon period

Central Taiwan (n = 23,124)

 

1-year average of WBGT (per 1 ℃)

1.055 (1.008–1.105)

0.022

3-year average of WBGT (per 1 ℃)

1.062 (1.013–1.114)

0.013

5-year average of WBGT (per 1 ℃)

1.059 (1.009–1.111)

0.021

Work period

1-year average of WBGT (per 1 ℃)

1.089 (1.034–1.146)

0.001

3-year average of WBGT (per 1 ℃)

1.092 (1.037–1.150)

0.001

5-year average of WBGT (per 1 ℃)

1.084 (1.031–1.139)

0.002

Noon period

Southern Taiwan (n = 45,643)

 

1-year average of WBGT (per 1 ℃)

1.292 (1.236–1.351)

< 0.001

3-year average of WBGT (per 1 ℃)

1.323 (1.261–1.389)

< 0.001

5-year average of WBGT (per 1 ℃)

1.386 (1.316–1.460)

< 0.001

Work period

1-year average of WBGT (per 1 ℃)

1.238 (1.190–1.288)

< 0.001

3-year average of WBGT (per 1 ℃)

1.247 (1.196–1.301)

< 0.001

5-year average of WBGT (per 1 ℃)

1.259 (1.204–1.318)

< 0.001

Noon period

Eastern Taiwan (n = 11,487)

 

1-year average of WBGT (per 1 ℃)

1.067 (1.015–1.122)

0.012

3-year average of WBGT (per 1 ℃)

1.089 (1.041–1.138)

< 0.001

5-year average of WBGT (per 1 ℃)

1.107 (1.058–1.158)

< 0.001

Work period

1-year average of WBGT (per 1 ℃)

0.874 (0.837–0.913)

< 0.001

3-year average of WBGT (per 1 ℃)

0.899 (0.859–0.940)

< 0.001

5-year average of WBGT (per 1 ℃)

0.894 (0.854–0.935)

< 0.001

  1. Values expressed as odds ratio and 95% confidence interval (CI). Abbreviations. WBGT, wet-bulb globe temperature.
  2. *Noon period is defined as 11 am to 2 pm, and work period is defined as 8 am to 5 pm.
  3. Multivariable model: adjusted for age, sex, smoking and alcohol history, diabetes, hypertension, fasting glucose, triglycerides, total cholesterol, eGFR and uric acid (significant variable in Table 1).
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