Table 1.
Comparison of characteristics between gastric cancer survivors and matched non-cancer controls
| Characteristica) | Survivors (n=437) | Non-cancer controls (n=4,370) | p-valueb) |
|---|---|---|---|
| Age, mean (95% CI) | 58.6 (57.9-59.4) | 58.5 (58.2-58.7) | 0.650 |
| Age (yr) | |||
| < 50 | 64 (14.7) | 640 (14.7) | 1.000 |
| 50-54 | 75 (17.2) | 750 (17.2) | |
| 55-59 | 75 (17.2) | 750 (17.2) | |
| ≥ 60 | 223 (51.0) | 2,230 (51.0) | |
| Sex | |||
| Male | 232 (53.1) | 2,320 (53.1) | 1.000 |
| Female | 205 (46.9) | 2,050 (47.0) | |
| Marital status | |||
| Married, cohabitation | 399 (91.7) | 3,856 (88.7) | 0.054 |
| Divorced, widow, unmarried | 36 (8.3) | 492 (11.3) | |
| Educational attainment | |||
| ≤ High school | 323 (74.8) | 3,178 (73.5) | 0.562 |
| > College | 109 (25.2) | 1,147 (26.5) | |
| Household income | |||
| < $2,000 | 186 (48.1) | 1,815 (46.8) | 0.629 |
| ≥ $2,000 | 201 (52.0) | 2,065 (53.2) | |
| Employment state | |||
| Currently unemployed | 230 (53.1) | 2,037 (47.6) | 0.029 |
| Currently employed | 203 (46.9) | 2,242 (52.4) | |
| Self-rated health status | |||
| Healthy | 157 (36.3) | 1,797 (41.5) | 0.034 |
| Normal-unhealthy | 276 (63.7) | 2,532 (58.5) | |
| Co-morbid chronic diseasec) | |||
| Yes | 226 (51.7) | 2,308 (52.8) | 0.661 |
| No | 211 (48.3) | 2,062 (47.2) | |
| Family history of cancer (any type) | |||
| Yes | 178 (41.1) | 1,079 (24.8) | < 0.001 |
| No | 255 (58.9) | 3,275 (75.2) | |
| Years since diagnosis | |||
| 2-5 | 161 (36.8) | - | < 0.001 |
| ≥ 6 | 271 (62.0) | - | |
| Current smoking status | |||
| Yes | 38 (8.7) | 668 (15.4) | 0.001 |
| No | 397 (91.3) | 3,685 (84.7) | |
| Current drinking status | |||
| Yes | 166 (38.3) | 2,162 (49.7) | < 0.001 |
| No | 267 (61.7) | 2,192 (50.3) | |
| Physical activity | |||
| < 150 min/wk | 242 (55.8) | 2,521 (59.9) | 0.095 |
| ≥ 150 min/wk | 192 (44.2) | 1,688 (40.1) | |
| BMI | |||
| < 23 | 278 (63.6) | 1,535 (35.2) | < 0.001 |
| ≥ 23 | 159 (36.4) | 2,826 (64.8) |
Values are presented as number (%) unless otherwise indicated. CI, confidence intervals; BMI, body mass index.
Missing values (No. of survivors, No. of non-cancer controls): marital status (2, 22), educational attainment (5, 45), household income (50, 490), employment state (4, 91), self-rated health status (4, 41), family history of cancer (4, 16), current smoking status (2, 17), current drinking status (4, 16), physical activity (3, 161), BMI (0, 9),
Chi-square test or t test results,
Any of following diseases were classified as chronic disease: hypertension, diabetes, dyslipidemia, stroke, transient ischemic attacks, angina or myocardiac infarction, colon polyp, fatty liver, chronic liver disease or liver cirrhosis, gallbladder stone or cholecystitis, thyroid disease, arthritis, and osteoporosis.