| Open window | χ 2 | P | Drink more water | χ 2 | P | Wear light clothes | χ 2 | P | Bathe frequently | χ 2 | P | Stay in house | χ 2 | P | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No | Yes | No | Yes | No | Yes | No | Yes | No | Yes | |||||||||||
N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | |||||||||||
Gender | Â | Â | 1.08 | 0.298 | Â | Â | 0.15 | 0.699 | Â | Â | 5.13 | 0.024 | Â | Â | 0.70 | 0.404 | Â | Â | 8.95 | 0.003 |
 Male | 321(27.6) | 844(72.4) | 148(12.7) | 1017(87.3) | 681(58.5) | 484(51.5) | 748(64.2) | 417(35.8) | 513(44.0) | 652(56.0) | ||||||||||
 Female | 301(29.6) | 717(70.4) | 135(13.3) | 883(86.7) | 546(53.6) | 472(46.4) | 671(65.9) | 347(34.1) | 384(37.7) | 634(62.3) | ||||||||||
Age (years) | Â | Â | 12.26 | 0.031 | Â | Â | 4.60 | 0.467 | Â | Â | 17.28 | 0.004 | Â | Â | 8.61 | 0.126 | Â | Â | 4.84 | 0.436 |
 <20 | 64(36.0) | 114(64.0) | 22(12.4) | 156(87.6) | 102(57.3) | 76(42.7) | 108(60.7) | 70(39.3) | 81(45.5) | 97(54.5) | ||||||||||
 20–29 | 135(31.4) | 295(68.6) | 57(13.3) | 373(86.7) | 233(54.2) | 197(45.8) | 291(67.7) | 139(32.3) | 184(42.8) | 246(57.2) | ||||||||||
 30–39 | 138(26.1) | 391(73.9) | 68(12.9) | 461(87.1) | 295(55.8) | 234(44.2) | 355(67.1) | 174(32.9) | 223(42.2) | 306(57.8) | ||||||||||
 40–49 | 145(28.3) | 367(71.7) | 58(11.3) | 454(88.7) | 264(51.6) | 248(48.4) | 316(61.7) | 196(38.3) | 194(37.9) | 318(62.1) | ||||||||||
 50–59 | 73(23.5) | 238(76.5) | 40(12.9) | 271(87.1) | 183(58.8) | 128(41.2) | 195(62.7) | 116(37.3) | 122(39.2) | 189(60.8) | ||||||||||
 ≥60 | 67(30.0) | 156(70.0) | 38(17.0) | 185(83.0) | 150(67.3) | 73(32.7) | 154(69.1) | 69(30.9) | 93(41.7) | 130(58.3) | ||||||||||
Education | Â | Â | 18.25 | 0.001 | Â | Â | 16.29 | 0.003 | Â | Â | 151.18 | <0.001 | Â | Â | 20.65 | <0.001 | Â | Â | 2.96 | 0.565 |
 Elementary school or lower | 164(31.5) | 356(68.5) | 82(15.8) | 438(84.2) | 368(70.8) | 152(29.2) | 371(71.3) | 149(28.7) | 215(41.3) | 305(58.7) | ||||||||||
 Junior middle school | 227(32.2) | 477(67.8) | 99(14.1) | 605(85.9) | 442(62.8) | 262(37.2) | 440(62.5) | 264(37.5) | 275(39.1) | 429(60.9) | ||||||||||
 Senior middle school or vocational secondary school | 134(25.8) | 386(74.2) | 58(11.2) | 462(88.8) | 256(49.2) | 264(50.8) | 309(59.4) | 211(40.6) | 224(43.1) | 296(56.9) | ||||||||||
 College or above | 81(21.6) | 294(78.4) | 31(8.3) | 344(91.7) | 123(32.8) | 252(67.2) | 258(68.8) | 117(31.2) | 153(40.8) | 222(59.2) | ||||||||||
 Didn’t answer | 16(25.0) | 48(75.0) | 13(20.3) | 51(79.7) | 38(59.4) | 26(40.6) | 41(64.1) | 23(35.9) | 30(46.9) | 34(53.1) | ||||||||||
Occupation | Â | Â | 27.77 | <0.001 | Â | Â | 17.76 | 0.007 | Â | Â | 138.49 | <0.001 | Â | Â | 36.12 | <0.001 | Â | Â | 6.70 | 0.350 |
 Agriculture, forestry, animal husbandry or fishing | 176(34.7) | 331(65.3) | 72(14.2) | 435(85.8) | 367(72.4) | 140(27.6) | 377(74.4) | 130(25.6) | 213(42.0) | 294(58.0) | ||||||||||
 Person in service trade | 96(21.4) | 352(78.6) | 49(10.9) | 399(89.1) | 214(47.8) | 234(52.2) | 268(59.8) | 180(40.2) | 180(40.2) | 268(59.8) | ||||||||||
 Person in charge of institute | 39(25.7) | 113(74.3) | 14(9.2) | 138(90.8) | 61(40.1) | 91(59.9) | 106(69.7) | 46(30.3) | 68(44.7) | 84(55.3) | ||||||||||
 Technician | 58(23.0) | 194(77.0) | 20(7.9) | 232(92.1) | 92(36.5) | 160(63.5) | 165(65.5) | 87(34.5) | 93(36.9) | 159(63.1) | ||||||||||
 Military or student | 59(33.1) | 119(66.9) | 23(12.9) | 155(87.1) | 98(55.1) | 80(44.9) | 116(65.2) | 62(34.8) | 85(47.8) | 93(52.2) | ||||||||||
 Unemployment or retired | 74(29.0) | 181(71.0) | 36(14.1) | 219(85.9) | 137(53.7) | 118(46.3) | 162(63.5) | 93(36.5) | 100(39.2) | 155(60.8) | ||||||||||
 Other | 120(30.7) | 271(69.3) | 69(17.6) | 322(82.4) | 258(66.0) | 133(34.0) | 225(57.5) | 166(42.5) | 158(40.4) | 233(59.6) | ||||||||||
Family monthly income per person (yuan) | 63.63 | <0.001 | Â | Â | 17.35 | 0.008 | Â | Â | 132.85 | <0.001 | Â | Â | 21.14 | 0.002 | Â | Â | 15.51 | 0.017 | ||
 < 500 | 93(32.3) | 195(67.7) | 40(13.9) | 248(86.1) | 215(74.7) | 73(25.3) | 211(73.3) | 77(26.7) | 118(41.0) | 170(59.0) | ||||||||||
 500–999 | 166(43.3) | 217(56.7) | 67(17.5) | 316(82.5) | 271(70.8) | 112(29.2) | 254(66.3) | 129(33.7) | 146(38.1) | 237(61.9) | ||||||||||
 1,000–1,999 | 96(23.3) | 316(76.7) | 43(10.4) | 369(89.6) | 200(48.5) | 212(51.5) | 273(66.3) | 139(33.7) | 160(38.8) | 252(61.2) | ||||||||||
 2,000–4,999 | 112(21.6) | 407(78.4) | 60(11.6) | 459(88.4) | 220(42.4) | 299(57.6) | 326(62.8) | 193(37.2) | 223(43.0) | 296(57.0) | ||||||||||
 5,000–9,999 | 40(23.7) | 129(76.3) | 20(11.8) | 149(88.2) | 78(46.2) | 91(53.8) | 97(57.4) | 72(42.6) | 62(36.7) | 107(63.3) | ||||||||||
 ≥10,000 | 16(24.2) | 50(75.8) | 2(3.0) | 64(97.0) | 34(51.5) | 32(48.5) | 33(50.0) | 33(50.0) | 20(30.3) | 46(69.7) | ||||||||||
 Don’t know or refused to answer | 99(28.6) | 247(71.4) | 51(14.7) | 295(85.3) | 209(60.4) | 137(39.6) | 225(65.0) | 121(35.0) | 168(48.6) | 178(51.4) | ||||||||||
Residential area | Â | Â | 15.25 | <0.001 | Â | Â | 2.72 | 0.099 | Â | Â | 57.74 | <0.001 | Â | Â | 27.70 | <0.001 | Â | Â | 12.86 | <0.001 |
 Urban | 262(24.6) | 802(75.4) | 125(11.7) | 939(88.3) | 510(47.9) | 554(52.1) | 633(59.5) | 431(40.5) | 396(37.2) | 668(62.8) | ||||||||||
 Rural | 360(32.2) | 759(67.8) | 158(14.1) | 961(85.9) | 717(64.1) | 402(35.9) | 786(70.2) | 333(29.8) | 501(44.8) | 618(55.2) | ||||||||||
 | Reduce activity | χ 2 | P | Go to a public place with air conditioning | χ 2 | P | Use sunshade or sunhat | χ 2 | P | Rest in the shade | χ 2 | P | Use an air conditioner | χ 2 | P | |||||
 | No | Yes |  |  | No | Yes |  |  | No | Yes |  |  | No | Yes |  |  | No | Yes |  |  |
 | N (%) | N (%) |  |  | N (%) | N (%) |  |  | N (%) | N (%) |  |  | N (%) | N (%) |  |  | N (%) | N (%) |  |  |
Gender | Â | Â | 0.18 | 0.671 | Â | Â | 0.36 | 0.549 | Â | Â | 13.85 | <0.001 | Â | Â | 0.73 | 0.393 | Â | Â | 0.76 | 0.385 |
 Male | 648(55.6) | 517(44.4) | 823(70.6) | 342(29.4) | 710(60.9) | 455(39.1) | 403(34.6) | 762(65.4) | 532(45.7) | 633(54.3) | ||||||||||
 Female | 557(54.7) | 461(45.3) | 731(71.8) | 287(28.2) | 540(53.0) | 478(47.0) | 370(36.3) | 648(63.7) | 446(43.8) | 572(56.2) | ||||||||||
Age (years) | Â | Â | 0.28 | 0.998 | Â | Â | 24.29 | <0.001 | Â | Â | 21.17 | 0.001 | Â | Â | 4.95 | 0.422 | Â | Â | 113.62 | <0.001 |
 <20 | 98(55.1) | 80(44.9) | 120(67.4) | 58(32.6) | 100(56.2) | 78(43.8) | 72(40.4) | 106(59.6) | 101(56.7) | 77(43.3) | ||||||||||
 20–29 | 240(55.8) | 190(44.2) | 288(67.00) | 142(33.0) | 230(53.5) | 200(46.5) | 163(37.9) | 267(62.1) | 163(37.9) | 267(62.1) | ||||||||||
 30–39 | 289(54.6) | 240(45.4) | 364(68.8) | 165(31.2) | 287(54.3) | 242(45.7) | 179(33.8) | 350(66.2) | 172(32.5) | 357(67.5) | ||||||||||
 40–49 | 280(54.7) | 232(45.3) | 361(70.5) | 151(29.5) | 284(55.5) | 228(44.5) | 182(35.5) | 330(64.5) | 216(42.2) | 296(57.8) | ||||||||||
 50–59 | 173(55.6) | 138(44.4) | 237(76.2) | 74(23.8) | 196(63.0) | 115(37.0) | 104(33.4) | 207(66.6) | 178(57.2) | 133(42.8) | ||||||||||
 ≥60 | 125(56.1) | 98(43.9) | 184(82.5) | 39(17.5) | 153(68.6) | 70(31.4) | 73(32.7) | 150(67.3) | 148(66.4) | 75(33.6) | ||||||||||
Education | Â | Â | 4.69 | 0.321 | Â | Â | 97.90 | <0.001 | Â | Â | 201.92 | <0.001 | Â | Â | 9.21 | 0.056 | Â | Â | 628.21 | <0.001 |
 Elementary school or lower | 290(55.8) | 230(44.2) | 443(85.2) | 77(14.8) | 400(76.9) | 120(23.1) | 173(33.3) | 347(66.7) | 415(79.8) | 105(20.2) | ||||||||||
 Junior middle school | 370(52.6) | 334(47.4) | 521(74.0) | 183(26.0) | 435(61.8) | 269(38.2) | 235(33.4) | 469(66.6) | 395(56.1) | 309(43.9) | ||||||||||
 Senior middle school or vocational secondary school | 290(55.8) | 230(44.2) | 329(63.3) | 191(36.7) | 259(49.8) | 261(50.2) | 208(40.0) | 312(60.0) | 125(24.0) | 395(76.0) | ||||||||||
 College or above | 214(57.1) | 161(42.9) | 222(59.2) | 153(40.8) | 118(31.5) | 257(68.5) | 129(34.4) | 246(65.6) | 18(4.8) | 357(95.2) | ||||||||||
 Didn’t answer | 41(64.1) | 23(35.9) | 39(60.9) | 25(39.1) | 38(59.4) | 26(40.6) | 28(43.8) | 36(56.3) | 25(39.1) | 39(60.9) | ||||||||||
Occupation | Â | Â | 3.11 | 0.795 | Â | Â | 104.31 | <0.001 | Â | Â | 177.78 | <0.001 | Â | Â | 34.59 | <0.001 | Â | Â | 544.60 | <0.001 |
 Agriculture, forestry, animal husbandry or fishing | 283(55.8) | 224(44.2) | 430(84.8) | 77(15.2) | 378(74.6) | 129(25.4) | 151(29.8) | 356(70.2) | 414(81.7) | 93(18.3) | ||||||||||
 Person in service trade | 234(52.2) | 214(47.8) | 286(63.8) | 162(36.2) | 230(51.3) | 218(48.7) | 142(31.7) | 306(68.3) | 131(29.2) | 317(70.8) | ||||||||||
 Person in charge of institute | 86(56.6) | 66(43.4) | 82(53.9) | 70(46.1) | 64(42.1) | 88(57.9) | 55(36.2) | 97(63.8) | 5(3.3) | 147(96.7) | ||||||||||
 Technician | 143(56.7) | 109(43.3) | 156(61.9) | 96(38.1) | 79(31.3) | 173(68.7) | 97(38.5) | 155(61.5) | 31(12.3) | 221(87.7) | ||||||||||
 Military or student | 95(53.4) | 83(46.6) | 113(63.5) | 65(36.5) | 91(51.1) | 87(48.9) | 67(37.6) | 111(62.4) | 81(45.5) | 97(54.5) | ||||||||||
 Unemployment or retired | 148(58.0) | 107(42.0) | 182(71.4) | 73(28.6) | 138(54.1) | 117(45.9) | 79(31.0) | 176(69.0) | 112(43.9) | 143(56.1) | ||||||||||
 Other | 216(55.2) | 175(44.8) | 305(78.0) | 86(22.0) | 270(69.1) | 121(30.9) | 182(46.5) | 209(53.5) | 204(52.2) | 187(47.8) | ||||||||||
Family monthly income per person (yuan) | 18.62 | 0.005 | Â | Â | 54.29 | <0.001 | Â | Â | 121.82 | <0.001 | Â | Â | 35.49 | <0.001 | Â | Â | 596.77 | <0.001 | ||
 < 500 | 149(51.7) | 139(48.3) | 234(81.3) | 54(18.8) | 211(73.3) | 77(26.7) | 64(22.2) | 224(77.8) | 254(88.2) | 34(11.8) | ||||||||||
 500–999 | 187(48.8) | 196(51.2) | 305(79.6) | 78(20.4) | 271(70.8) | 112(29.2) | 137(35.8) | 246(64.2) | 254(66.3) | 129(33.7) | ||||||||||
 1,000–1,999 | 233(56.6) | 179(43.4) | 272(66.0) | 140(34.0) | 214(51.9) | 198(48.1) | 132(32.0) | 280(68.0) | 125(30.3) | 287(69.7) | ||||||||||
 2,000–4,999 | 306(59.0) | 213(41.0) | 332(64.0) | 187(36.0) | 223(43.0) | 296(57.0) | 202(38.9) | 317(61.1) | 96(18.5) | 423(81.5) | ||||||||||
 5,000–9,999 | 89(52.7) | 80(47.3) | 120(71.0) | 49(29.0) | 77(45.6) | 92(54.4) | 65(38.5) | 104(61.5) | 26(15.4) | 143(84.6) | ||||||||||
 ≥10,000 | 30(45.5) | 36(54.5) | 37(56.1) | 29(43.9) | 35(53.0) | 31(47.0) | 26(39.4) | 40(60.6) | 9(13.6) | 57(86.4) | ||||||||||
 Don’t know or refused to answer | 211(61.0) | 135(39.0) | 254(73.4) | 92(26.6) | 219(63.3) | 127(36.7) | 147(42.5) | 199(57.5) | 214(61.8) | 132(38.2) | ||||||||||
Residential area | Â | Â | 1.19 | 0.275 | Â | Â | 19.27 | <0.001 | Â | Â | 57.04 | <0.001 | Â | Â | 10.53 | 0.001 | Â | Â | 404.86 | <0.001 |
 Urban | 600(56.4) | 464(43.6) | 711(66.8) | 353(33.2) | 522(49.1) | 542(50.9) | 413(38.8) | 651(61.2) | 243(22.8) | 821(77.2) | ||||||||||
 Rural | 605(54.1) | 514(45.9) | 843(75.3) | 276(24.7) | 728(65.1) | 391(34.9) | 360(32.2) | 759(67.8) | 735(65.7) | 384(34.3) |