Variables | Â | Tertile of DASH style diet score | P-value | ||||
---|---|---|---|---|---|---|---|
 |  | T1 (n = 2023, 8–14) |  | T2 (n = 1431, 15) |  | T3 (n = 1687, 16–19) | |
Sex | Â | Â | Â | Â | Â | Â | Â |
Male | Â | 835 (41.2) | Â | 573 (44.5) | Â | 664 (39.3) | 0.48 |
Female | Â | 1188 (58.7) | Â | 858 (59.9) | Â | 1023 (60.6) | |
Age (years) |  | 13.3 ± 0.46 |  | 13.3 ± 0.47 |  | 13.3 ± 0.46 | 0.17 |
BMI (kg/m2) |  | 20.6 ± 4.05 |  | 20.6 ± 4.1 |  | 20.6 ± 4.0 | 0.98 |
Boys (13 years old) | Â | Â | Â | Â | Â | Â | Â |
Obesity (BMI > 24.8) |  | 68 (8.14) |  | 43 (7.50) |  | 53 (7.98) |  |
Overweight (BMI > 20.8) |  | 163 (19.52) |  | 100 (17.45) |  | 148 (22.29) |  |
Normal (16.4–20.8) |  | 218 (26.11) |  | 134 (23.39) |  | 165 (24.85) |  |
Thinness (BMI < 16.4) |  | 49 (5.87) |  | 46 (8.03) |  | 36 (5.42) |  |
Sever thinness (BMI < 14.9) |  | 37 (4.43) |  | 28 (4.89) |  | 37 (5.57) | 0.37 |
Boys (14 years old) | Â | Â | Â | Â | Â | Â | Â |
Obesity (BMI > 25.9) |  | 22 (2.63) |  | 16 (2.79) |  | 24 (3.61) |  |
Overweight (BMI > 21.8) |  | 85 (10.18) |  | 67 (11.69) |  | 80 (12.05) |  |
Normal (17-21.8) | Â | 147 (17.60) | Â | 106 (18.50) | Â | 91 (13.70) | Â |
Thinness (BMI < 17) |  | 26 (3.11) |  | 21 (3.66) |  | 16 (2.41) |  |
Sever thinness (BMI < 15.5) |  | 20 (2.40) |  | 12 (2.09) |  | 14 (2.11) | 0.45 |
Girls (13 years old) | Â | Â | Â | Â | Â | Â | Â |
Obesity (BMI > 26.2) |  | 58 (4.88) |  | 41 (4.78) |  | 52 (5.08) |  |
Overweight (BMI > 21.8) |  | 280 (23.57) |  | 199 (23.19) |  | 213 (20.82) |  |
Normal (16.6–21.8) |  | 361 (30.39) |  | 255 (29.72) |  | 328 (32.06) |  |
Thinness (BMI < 16.6) |  | 71 (5.98) |  | 61 (7.11) |  | 74 (7.23) |  |
Sever thinness (BMI < 14.9) |  | 66 (5.56) |  | 34 (3.96) |  | 56 (5.47) | 0.5 |
Girls (14 years old) | Â | Â | Â | Â | Â | Â | Â |
Obesity (BMI > 27.3) |  | 18 (1.52) |  | 23 (2.68) |  | 13 (1.27) |  |
Overweight (BMI > 22.7) |  | 110 (9.26) |  | 69 (8.04) |  | 80 (7.82) |  |
Normal (17.2–22.7) |  | 154 (12.96) |  | 127 (14.80) |  | 150 (14.66) |  |
Thinness (BMI < 17.2) |  | 47 (3.96) |  | 36 (4.20) |  | 39 (3.81) |  |
Sever thinness (BMI < 15.4) |  | 23 (1.94) |  | 13 (1.52) |  | 18 (1.76) | 0.33 |
Ethnicity | Â | Â | Â | Â | Â | Â | 0.005 |
Kord | Â | 9 (0.44) | Â | 3 (0.21) | Â | 15 (0.89) | |
Turk | Â | 22 (1.09) | Â | 6 (0.42) | Â | 12 (0.71) | |
Persian | Â | 1958 (96.7) | Â | 1394 (97.4) | Â | 1629 (96.5) | |
Lor | Â | 9 (0.44) | Â | 13 (0.91) | Â | 15 (0.89) | |
Arab | Â | 12 (0.59) | Â | 12 (0.84) | Â | 14 (0.83) | |
Balooch | Â | 13 (0.64) | Â | 3 (0.21) | Â | 2 (0.12) | |
Physical activity (watching TV and computer use) |  |  |  |  |  |  | < 0.001 |
2–4 h |  | 827 (40.8) |  | 722 (50.4) |  | 947 (56.1) | |
5–8 h |  | 748 (36.9) |  | 482 (33.6) |  | 546 (32.3) | |
9–14 h |  | 448 (22.1) |  | 227 (15.8) |  | 194 (11.5) | |
Smoking | Â | Â | Â | Â | Â | Â | Â |
Yes | Â | 63 (3.12) | Â | 17 (1.19) | Â | 14 (0.83) | Â |
No |  | 1960 (96.8) |  | 1414 (98.81) |  | 1673 (99.17) | < 0.001 |
reflux | Â | Â | Â | Â | Â | Â | Â |
Yes |  | 63 (3.1) |  | 24 (1.6) |  | 20 (1.1) | < 0.001 |
No | Â | 1960 (96.8) | Â | 1407 (98.3) | Â | 1667 (98.8) | |
heartburn | Â | Â | Â | Â | Â | Â | Â |
Yes | Â | 52 (2.5) | Â | 16 (1.1) | Â | 31 (1.8) | 0.009 |
No | Â | 1971 (97.4) | Â | 1415 (98.8) | Â | 1656 (98.1) | |
nausea | Â | Â | Â | Â | Â | Â | Â |
Yes | Â | 39 (1.9) | Â | 13 (0.91) | Â | 16 (0.95) | 0.009 |
No | Â | 1984 (98.0) | Â | 1418 (99.0) | Â | 1671 (99.0) | |
stomach pain | Â | Â | Â | Â | Â | Â | Â |
Yes |  | 101 (4.9) |  | 44 (3.0) |  | 53 (3.1) | < 0.001 |
No | Â | 1922 (95.0) | Â | 1387 (96.9) | Â | 1634 (96.8) |