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Table 1 Frequency distribution of socio-demographic characteristics among clusters (N = 3526)

From: Effects of selected socio-demographic characteristics on nutrition knowledge and eating behavior of elementary students in two provinces in China

Socio-demographic characteristic Cluster 1
(two-gen/ low-ed)a
Cluster 2
(two-gen/ high-ed) b
Cluster 3
(two-gen/ med-ed)c
Cluster 4
(three-gen/ high-ed)d
n = 858 n = 1072 n = 972 n = 624
n % n % n % n %
Province
 Shangdong 491 57.2 722 67.4 675 69.4 384 61.5
 Qinghai 367 42.8 350 32.6 297 30.6 240 38.5
Gender
 Male 438 51.0 564 52.6 514 52.9 363 58.2
 Female 420 49.0 508 47.4 458 47.1 261 41.8
Education level (father)e
 College or higher 124 14.5 806 75.2 286 29.4 362 58.0
 Senior middle 250 29.1 207 19.3 537 55.2 192 30.8
 Junior middle 484 56.4 59 5.5 149 15.3 70 11.2
Education level (mother)e
 College or higher 11 1.3 1072 100.0 0 0 376 60.3
 Senior middle 4 0.5 0 0 972 100.0 181 29.0
 Junior middle 843 98.3 0 0 0 0 67 10.7
Living with parents
 Yes 723 84.3 965 90.0 873 89.8 417 66.8
 No 135 15.7 107 10.0 99 10.2 207 33.2
Living with grandparentse
 Yes 93 10.8 0 0.0 21 2.2 494 79.2
 Occasionally 420 49.0 673 62.8 603 62.0 93 14.9
 No 345 40.2 399 37.2 348 35.8 37 5.9
Who mainly cookse
 Mother 667 77.7 800 74.6 730 75.1 121 19.4
 Father 107 12.5 217 20.2 171 17.6 35 5.6
 Grandmother 59 6.9 8 0.7 47 4.8 407 65.2
 Grandfather 8 0.9 14 1.3 11 1.1 35 5.6
 Nannie 8 0.9 23 2.1 12 1.2 12 1.9
 Others 9 1.0 10 0.9 1 0.1 14 2.2
Self-reported body weight
 Very thin 66 7.7 61 5.7 71 7.3 34 5.4
 A little thin 221 25.8 281 26.2 249 25.6 134 21.5
 Normal 399 46.5 539 50.3 477 21.5 338 54.2
 A little fat 151 17.6 172 16.0 162 16.7 106 17.0
 Very fat 21 2.4 19 1.8 13 1.3 12 1.9
  1. a(two-gen/low-ed) —two-generation family, low-education parents (9 years or less of school); b(two-gen/high-ed)—two-generation family, high-education parents (college or higher); c (two-gen/med-ed).—two-generation family, medium-education parents (10–12 years of school); d(three-gen/high-ed) —three-generation family, high-education parents (college or higher); eDistribution between four clusters is statistically significant