Table 1b Sample characteristics by tertiles of parental dietary knowledge score: CHNS (N = 2035)
Characteristics | Fathers’ dietary knowledge score | P-value | Mothers’ dietary knowledge score | P-value | ||||
|---|---|---|---|---|---|---|---|---|
Tertile 1 | Tertile 2 | Tertile 3 | Tertile 1 | Tertile 2 | Tertile 3 | |||
Sample (n) | N = 415 | N = 659 | N = 961 | N = 410 | N = 704 | N = 921 | ||
Age (n, %) | 0.13 | 0.07 | ||||||
12–14 | 245 (59.0) | 357 (54.2) | 511 (53.2) | 239 (58.3) | 395 (56.1) | 479 (52.0) | ||
15–17 | 170 (41.0) | 302 (45.8) | 450 (46.8) | 171 (41.7) | 309 (43.9) | 442 (48.0) | ||
Sex (n, %) | 0.22 | 0.85 | ||||||
Boys | 234 (56.4) | 337 (51.1) | 520 (54.1) | 224 (54.6) | 379 (53.8) | 488 (53.0) | ||
Girls | 181 (43.6) | 322 (48.9) | 441 (45.9) | 186 (45.4) | 325 (46.2) | 433 (47.0) | ||
Residence (n, %) | < 0.01** | < 0.01** | ||||||
Rural | 318 (76.6) | 435 (66.0) | 638 (66.4) | 313 (76.3) | 491 (69.7) | 587 (63.7) | ||
Urban | 97 (23.4) | 224 (34.0) | 323 (33.6) | 97 (23.7) | 213 (30.3) | 334 (36.3) | ||
Family income (n, %) | < 0.01** | < 0.01** | ||||||
Low | 112 (27.0) | 132 (20.0) | 161 (16.8) | 110 (26.8) | 145 (20.6) | 150 (16.3) | ||
Medium | 119 (28.7) | 252 (38.2) | 325 (33.8) | 141 (34.4) | 249 (35.4) | 306 (33.2) | ||
High | 184 (44.3) | 275 (41.7) | 475 (49.4) | 159 (38.8) | 310 (44.0) | 465 (50.5) | ||
Adolescents’ education level (n, %) | < 0.01** | < 0.01** | ||||||
Low | 80 (19.3) | 72 (10.9) | 140 (14.6) | 73 (17.8) | 109 (15.5) | 110 (11.9) | ||
Medium | 258 (62.2) | 453 (68.7) | 580 (60.4) | 260 (63.4) | 452 (64.2) | 579 (62.9) | ||
High | 77 (18.6) | 134 (20.3) | 241 (25.1) | 77 (18.8) | 143 (20.3) | 232 (25.2) | ||
Father’s education level (n, %) | < 0.01** | < 0.01** | ||||||
Low | 112 (27.0) | 126 (19.1) | 174 (18.1) | 111 (27.1) | 141 (20.0) | 160 (17.4) | ||
Medium | 199 (48.0) | 314 (47.6) | 406 (42.2) | 184 (44.9) | 334 (47.4) | 401 (43.5) | ||
High | 104 (25.1) | 219 (33.2) | 381 (39.6) | 115 (28.0) | 229 (32.5) | 360 (39.1) | ||
Mother’s education level (n, %) | < 0.01** | < 0.01** | ||||||
Low | 159 (38.3) | 191 (29.0) | 269 (28.0) | 170 (41.5) | 222 (31.5) | 227 (24.6) | ||
Medium | 183 (44.1) | 285 (43.2) | 407 (42.4) | 171 (41.7) | 307 (43.6) | 397 (43.1) | ||
High | 73 (17.6) | 183 (27.8) | 285 (29.7) | 69 (16.8) | 175 (24.9) | 297 (32.2) | ||
Survey year (n, %) | < 0.01** | < 0.01** | ||||||
2004 | 92 (22.2) | 204 (31.0) | 334 (34.8) | 96 (23.4) | 205 (29.1) | 329 (35.7) | ||
2006 | 101 (24.3) | 148 (22.5) | 174 (18.1) | 87 (21.2) | 165 (23.4) | 171 (18.6) | ||
2009 | 64 (15.4) | 102 (15.5) | 201 (20.9) | 75 (18.3) | 126 (17.9) | 166 (18.0) | ||
2011 | 64 (15.4) | 134 (20.3) | 212 (22.1) | 68 (16.6) | 130 (18.5) | 212 (23.0) | ||
2015 | 94 (22.7) | 71 (10.8) | 40( 4.2) | 84 (20.5) | 78 (11.1) | 43 (4.7) | ||
Adolescents’ BMI (kg/m2), mean (SD) | 19.4(3.6) | 19.2 (3.0) | 19.7(3.2) | 0.03* | 19.2 (3.4) | 19.3(3.2) | 19.7(3.3) | 0.01* |
Adolescents’ BMI category (n, %) | 0.33 | 0.06 | ||||||
Not overweight or obese | 367 (88.4) | 592 (89.8) | 840 (87.4) | 365 (89.0) | 636 (90.3) | 798 (86.6) | ||
Overweight or obese | 48 (11.6) | 67 (10.2) | 121 (12.6) | 45 (11.0) | 68( 9.7) | 123 (13.4) | ||
Father’s BMI (kg/m2), mean (SD) | 23.3(3.3) | 23.7 (3.1) | 23.9 (3.1) | 0.01* | 23.4(3.3) | 23.6(3.1) | 23.9(3.2) | 0.03* |
Father’s BMI category (n, %) | 0.03* | 0.28 | ||||||
Not overweight or obese | 261 (62.9) | 376 (57.1) | 532 (55.4) | 245 (59.8) | 412 (58.5) | 512 (55.6) | ||
Overweight or obese | 154 (37.1) | 283 (42.9) | 429 (44.6) | 165 (40.2) | 292 (41.5) | 409 (44.4) | ||
Mother’s BMI (kg/m2), mean (SD) | 23.2 (3.4) | 23.2 (3.0) | 23.4 (3.2) | 0.29 | 23.3 (3.3) | 23.2 (3.2) | 23.4 (3.1) | 0.45 |
Mother’s BMI category (n, %) | 0.47 | 0.73 | ||||||
Not overweight or obese | 267 (64.3) | 425 (64.5) | 594 (61.8) | 256 (62.4) | 453 (64.3) | 577 (62.6) | ||
Overweight or obese | 148 (35.7) | 234 (35.5) | 367 (38.2) | 154 (37.6) | 251 (35.7) | 344 (37.4) | ||