Table 2.
Characteristics | Reported weekly weighted average sleep duration, h/ night |
χ2 | P value | ||||
---|---|---|---|---|---|---|---|
<8 | 8,9 | 9,10 | 10,11 | ≥11 | |||
Sex | 13.891 | 0.008 | |||||
Male | 64(43.0%) | 332(45.9%) | 1009(52.0%) | 551(51.1%) | 161(55.1%) | ||
Female | 85(57.0%) | 392(54.1%) | 933(48.0%) | 527(48.9%) | 131(44.9%) | ||
Age | 817.05 | <0.001 | |||||
≤9 | 2(1.6%) | 8(1.2%) | 160(9.8%) | 358(27.4%) | 88(30.6%) | ||
10–12 | 14(10.9%) | 110(16.5%) | 507(31.0%) | 462(35.3%) | 85(29.5%) | ||
13−15 | 80(62.0%) | 445(66.7%) | 918(56.1%) | 479(36.6%) | 115(39.9%) | ||
≥16 | 33(25.6%) | 104(15.6%) | 52(3.2%) | 9(0.7%) | 0(0.0%) | ||
Maternal education | 22.386 | 0.004 | |||||
Secondary school or lower | 12(14.3%) | 46(9.5%) | 156(9.7%) | 84(8.9%) | 36(14.0%) | ||
High school | 66(78.6%) | 403(82.9%) | 1377(85.9%) | 830(87.9%) | 211(82.1%) | ||
College or higher | 6(7.1%) | 37(7.6%) | 70(4.4%) | 30(3.2%) | 10(3.9%) | ||
Paternal education | 20.885 | 0.007 | |||||
Secondary school or below | 8(9.5%) | 37(7.6%) | 133(8.3%) | 62(6.6%) | 28(10.9%) | ||
High school | 63(75.0%) | 399(82.1%) | 1349(84.2%) | 821(87.0%) | 215(83.7%) | ||
College or above | 13(15.5%) | 50(10.3%) | 121(7.6%) | 61(6.5%) | 14(5.5%) | ||
Annual household income (CNY) | 19.421 | 0.247 | |||||
<100k | 18(21.4%) | 72(14.8%) | 201(12.5%) | 127(13.5%) | 41(16.0%) | ||
100k to 200k | 26(31.0%) | 157(32.3%) | 517(32.6%) | 309(32.7%) | 92(35.8%) | ||
200k to 400k | 24(28.6%) | 139(28.6%) | 515(32.1%) | 319(33.8%) | 76(29.6%) | ||
>400k | 7(8.3%) | 67(13.8%) | 229(14.3%) | 122(12.9%) | 32(12.5%) | ||
Others | 9(10.7%) | 51(10.5%) | 141(8.8%) | 67(7.1%) | 16(6.2%) | ||
Parents weekly weighted average sleep duration (h/night) | 303.696 | <0.001 | |||||
<8 | 48(36.6%) | 169(26.9%) | 233(13.6%) | 96(10.0%) | 24(9.3%) | ||
8,9 | 44(33.6%) | 270(42.9%) | 732(42.6%) | 334(34.9%) | 69(26.6%) | ||
9,10 | 29(22.1%) | 165(26.2%) | 646(37.6%) | 402(42.1%) | 112(43.2%) | ||
10,11 | 7(5.3%) | 20(3.2%) | 80(4.7%) | 95(9.9%) | 28(10.8%) | ||
≥11 | 3(2.3%) | 5(0.8%) | 28(1.6%) | 29(3.0%) | 26(10.0%) | ||
61.624 | <0.001 | ||||||
Depression | |||||||
No | 90(60.4%) | 557(76.93%) | 1628(83.83%) | 889(82.47%) | 237(81.16%) | ||
Yes | 59(39.6%) | 167(23.07%) | 314(16.17%) | 189(17.53%) | 55(18.84%) | ||
Anxiety | 77.985 | <0.001 | |||||
No | 76(51.0%) | 506(69.9%) | 1532(78.9%) | 840(77.9%) | 228(78.1%) | ||
Yes | 73(49.0%) | 218(30.1%) | 410(21.1%) | 238(22.1%) | 64(21.9%) | ||
Stress | 93.76 | <0.001 | |||||
No | 95(63.8%) | 581(80.3%) | 1721(88.6%) | 938(87.0%) | 256(87.7%) | ||
Yes | 54(36.2%) | 143(19.8%) | 221(11.4%) | 140(13.0%) | 36(12.3%) |