Table 1.
Distribution of gastro esophageal reflux disease (GERD) by demographic and socioeconomic characteristics of a representative sample of Albanian adults.
| Variable | No GERD | GERD | OR (95% CI)c | P value |
|---|---|---|---|---|
| Sex | ||||
| Men | 298 (86.4)a | 47 (13.6) | 1.30 (0.86–1.98) | 0.215 |
| Women | 446 (89.2) | 54 (10.8) | 1.00 (reference) | |
| Age (years) | 52.0 (32.0)b | 57.0 (25.0) | 1.02 (1.01–1.03) | 0.001 |
| Age | ||||
| ≤40 years | 240 (91.6) | 22 (8.4) | 1.00 (reference) | 0.015 |
| >40 years | 465 (85.5) | 79 (14.5) | 1.85 (1.13–3.05) | |
| Educational level (years) | 12.0 (4.0)b | 12.0 (6.75) | 0.92 (0.87–0.98) | 0.003 |
| Educational level | 0.018 (2) d | |||
| Low (0–8) years | 111 (81.6) | 25 (18.4) | 2.23 (1.27–3.93) | 0.005 |
| Middle (9–12) years | 273 (86.4) | 43 (13.6) | 1.56 (0.96–2.53) | 0.072 |
| High (≥13 years) | 317 (90.8) | 32 (9.2) | 1.00 (reference) | — |
| Income level | 0.474 (2) | |||
| Low | 83 (84.7) | 15 (15.3) | 1.57 (0.75–3.27) | 0.232 |
| Middle | 450 (87.0) | 67 (13.0) | 1.29 (0.74–2.24) | 0.365 |
| High | 156 (89.7) | 18 (10.3) | 1.00 (reference) | — |
aNumbers and row percentages (in parentheses). Discrepancies in the totals are due to missing covariate values.
bMedian and interquartile range (in parentheses).
cUnadjusted (crude) odds ratios (ORs: GERD versus no GERD), 95% confidence intervals (95% CIs), and P values from binary logistic regression.
dOverall P value and degrees of freedom (in parentheses).