Table 3.
The difference comparison of air conditioner ownership rate at home and in the office/school between last three decades.
| Subgroups | At home | Z value | p value | In the office/school | Z value | p value | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1994–2003 | 2004–2013 | 2014–2023 | 1994–2003 | 2004–2013 | 2014–2023 | |||||
| N(%) | N(%) | N(%) | N(%) | N(%) | N(%) | |||||
| Total | 786(15.4) | 1,783(35.0) | 2,522(49.5) | −44.4 | <0.0001 | 688(13.9) | 1,778(35.9) | 2,491(50.3) | −45.9 | <0.0001 |
| Age(year) | ||||||||||
| 31–40 | 288(18.6) | 796(51.5) | 1,309(84.7) | −36.8 | <0.0001 | 235(15.2) | 837(54.2) | 1,304(84.4) | −38.5 | <0.0001 |
| 41–64 | 498(32.2) | 987(63.7) | 1,213(78.3) | −26.0 | <0.0001 | 453(29.2) | 941(60.8) | 1,187(76.6) | −26.5 | <0.0001 |
| Gender | ||||||||||
| Male | 314(23.9) | 738(56.2) | 1,090(83.0) | −30.4 | <0.0001 | 305(23.2) | 748(56.9) | 1,073(81.7) | −30.1 | <0.0001 |
| Female | 472(26.5) | 1,045(58.7) | 1,432(80.5) | −32.4 | <0.0001 | 383(21.5) | 1,030(57.9) | 1,418(79.7) | −34.8 | <0.0001 |
| Occupation | ||||||||||
| Outdoor | 49(24.3) | 75(37.1) | 124(61.4) | −7.6 | <0.0001 | 49(24.3) | 72(35.6) | 123(60.9) | −7.5 | <0.0001 |
| Half indoors and half out door | 116(22.6) | 271(52.7) | 404(78.6) | −40.2 | <0.0001 | 122(23.7) | 260(50.6) | 395(76.9) | −17.0 | <0.0001 |
| Indoors | 621(26.1) | 1,437(60.4) | 1994(83.9) | −18.0 | <0.0001 | 517(21.7) | 1,446(60.8) | 1973(83.0) | −42.5 | <0.0001 |
| Education | ||||||||||
| High school or below | 98(21.4) | 195(42.7) | 314(68.7) | −14.4 | <0.0001 | 92(20.1) | 170(37.2) | 283(61.9) | −12.9 | <0.0001 |
| Undergraduate | 537(25.3) | 1,250(58.8) | 1,742(81.9) | −37.2 | <0.0001 | 499(23.5) | 1,274(59.9) | 1,742(81.9) | −38.3 | <0.0001 |
| Graduate or above | 151(29.6) | 338(66.2) | 466(91.2) | −20.3 | <0.0001 | 97(19.0) | 334(65.4) | 466(91.2) | −23.4 | <0.0001 |
| Income (yuan) | ||||||||||
| <5,000 | 170(16.5) | 479(46.6) | 782(76.0) | −27.1 | <0.0001 | 175(17.0) | 470(45.7) | 753(73.2) | −25.6 | <0.0001 |
| 5,001–10,000 | 317(26.6) | 694(58.3) | 962(80.8) | −26.6 | <0.0001 | 276(23.2) | 687(57.7) | 960(80.6) | −28.1 | <0.0001 |
| >10,000 | 299(34.2) | 610(69.8) | 778(89.0) | −23.9 | <0.0001 | 237(27.1) | 621(71.05) | 788(89.02) | −26.7 | <0.0001 |
| Region | ||||||||||
| Southern | 660(27.7) | 1,642(64.6) | 2,134(89.4) | −43.6 | <0.0001 | 564(23.6) | 1,557(65.2) | 2,132(89.3) | −46.2 | <0.0001 |
| Northern | 125(17.7) | 241(34.1) | 388(55.0) | −14.6 | <0.0001 | 123(17.4) | 220(31.2) | 358(50.7) | −13.2 | <0.0001 |
| Number of chronic diseases | ||||||||||
| 0 | 451(22.9) | 1,137(57.6) | 1,644(83.3) | −38.1 | <0.0001 | 397(20.1) | 1,161(58.8) | 1,641(83.2) | −39.7 | <0.0001 |
| 1 | 198(27.9) | 419(58.9) | 581(81.7) | −20.5 | <0.0001 | 163(22.9) | 417(58.7) | 567(79.8) | −21.9 | <0.0001 |
| ≧2 | 137(33.4) | 227(55.4) | 297(72.4) | −11.2 | <0.0001 | 128(31.2) | 200(48.8) | 283(69.0) | −10.8 | <0.0001 |