Table 3.
The Main Findings Related to NERD Across the Articles
| First Author, Publication Year | Area (Country) | Clinical Study Design | Positive Related Factors | AOR (95% CI) | Negative Related Factors | AOR (95% CI) |
|---|---|---|---|---|---|---|
| Nobuyuki Matsuki, 201345 | Eastern country (Japan) | Cross–sectional study | Egg | 1.89 (1.01–3.5) | ||
| Strong psychological stress | 1.77 (1.18–2.62) | |||||
| Sleep shortage | 2.44 (1.54–3.88) | |||||
| Su Youn Nam, 201635 | Eastern country (Korea) | Cross–sectional study | Current smoker | 1.54 (1.29–1.84) | Beans | 0.78 (0.64–0.95) |
| Total energy intake | 1.07 (1.0–1.14) | Fruits | 0.78 (0.64–0.95) | |||
| Egg | 0.78 (0.64–0.96) | |||||
| Milk | 0.78 (0.65–0.94) | |||||
| Drink–tea | 0.62 (0.5–0.76) | |||||
| Ji Min Choi, 201837 | Eastern country (Korea) | Cross–sectional study | State anxiety | 1.89 (1.53–2.33) | Marriage status | 0.71 (0.58–0.87) |
| Rait anxiety | 1.78 (1.34–2.35) | |||||
| Depression | 2.21 (1.75–2.8) | |||||
| Current smoking | 1.37 (1.18–1.59). | |||||
| Juan Du, 200762 | Eastern country (China) | Cross–sectional study | Greasy food | 1.65 (1.16–2.36) | ||
| Constipation | 1.51 (1.01–2.25) | |||||
| CHEN LiPing, 201671 | Eastern country (China) | Case control study | Habit of midnight snacks | 2.752 (1.449–5.228) | ||
| Snore | 2.334 (1.361–4.004) | |||||
| Alcohol | 3.957 (1.067–14.673) | |||||
| Anxiety or depression | 2.723 (1.407–5.267) | |||||
| WANG Yi, 201865 | Eastern country (China) | Case control study | Raw or cold food | 5.47 (1.21–24.71) | ||
| Spicy | 3.36 (1.15–9.84) | |||||
| Eating beyond fullness | 9.98 (3.57–27.88) | |||||
| Anxiety | 4.09 (1.8–9.26) | |||||
| Depression | 2.21 (1.25–3.9) |
Abbreviations: NERD, nonerosive gastroesophageal reflux disease; AOR, adjusted odds ratio.