Table 1.
Participant characteristics1 by ATA assignment in the ATBC Study.
| No ATA |
Yes ATA |
p value | |
|---|---|---|---|
| N | 100 | 100 | |
| Age (years) | 57.5 (4.9) | 57.8 (5.0) | 0.70 |
| Height (cm) | 174 (5.9) | 174 (6.6) | 0.91 |
| Weight (kg) | 79.6 (10.7) | 78.4 (12.5) | 0.40 |
| BMI (kg/m2) | 26.2 (3.2) | 25.8 (3.5) | 0.36 |
| Cigarettes per day | 20.3 (9.9) | 19.8 (8.9) | 0.80 |
| Years of smoking | 35.1 (9.6) | 35.7 (9.5) | 0.68 |
| Quit smoking at follow-up visit (%) | 29.0 | 22.0 | 0.21 |
| Physically active (%) | 23.0 | 25.0 | 0.74 |
| >Elementary school education (%) | 29.0 | 23.0 | 0.33 |
| Dietary intake per day | |||
| Total energy (kcal) | 2,775 (691) | 2,763 (695) | 0.60 |
| Fruit (g) | 235 (204) | 226 (161) | 0.80 |
| Vegetables (g) | 305 (113) | 319 (130) | 0.80 |
| Red meat (g) | 75.0 (31.4) | 75.6 (29.3) | 0.71 |
| Alcohol (ethanol, g) | 13.5 (16.8) | 14.7 (16.0) | 0.19 |
| Serum concentrations | |||
| Total cholesterol (mmol/L) | |||
| Baseline | 6.4 (1.0) | 6.4 (1.1) | 0.87 |
| Follow-up | 6.0 (1.0) | 6.3 (1.2) | 0.20 |
| ATA (mg/L) | |||
| Baseline | 12.5 (3.1) | 12.1 (2.9) | 0.33 |
| Follow-up | 12.9 (3.2) | 18.3 (4.2) | <0.0001 |
| β-Carotene (μg/L) | |||
| Baseline | 272 (255) | 240 (123) | 0.76 |
| Follow-up | 1,887 (1,886) | 2,014 (2,073) | 0.72 |
| Retinol (μg/L) | |||
| Baseline | 576 (107) | 585 (122) | 0.82 |
| Follow-up | 597 (120) | 614 (136) | 0.41 |
1All variables are from the baseline questionnaire unless otherwise indicated. Values are means (standard deviation) unless otherwise indicated.