Table 1

Characteristics of subjects (n=1978)

CharacteristicTotalPosthousing residual income by quartilesa
First quartile
(<$11 000)
Second quartile
($11 000–$18 999)
Third quartile
($19 000–$28 999)
Fourth quartile
(≥$29 000)
Health-related quality of life
 Physical component summaryb51.5±9.049.5±10.451.0±9.052.8±7.953.1±8.0
 Mental component summaryc54.9±8.552.1±8.154.3±8.655.6±8.557.0±8.0
Sociodemographic characteristics
 Age (years)51.6±17.760.7±17.151.0±15.947.7±15.946.2±16.7
 Sex
 Male814 (41.2)189 (41.9)162 (37.5)186 (41.4)203 (46.1)
 Female1164 (58.8)262 (58.1)270 (62.5)263 (58.6)237 (53.9)
 Marital statusd
 Married/cohabit1257 (63.7)209 (46.7)308 (71.3)320 (71.3)299 (68.0)
 Single/divorced/separated/widowed717 (36.3)239 (53.3)124 (28.7)129 (28.7)141 (32.0)
 Number of childrene0.6±0.90.4±0.70.9±1.00.8±0.90.6±0.8
 Number of adultsf2.7±1.21.7±0.82.4±0.82.9±1.03.5±1.2
Socioeconomic factors
 Educational levelg
 Primary or below630 (32.0)224 (49.8)144 (33.6)101 (22.6)76 (17.4)
 Secondary1046 (53.2)197 (43.8)253 (59.1)279 (62.4)236 (54.1)
 Tertiary or above290 (14.8)29 (6.4)31 (7.2)67 (15.0)124 (28.4)
 Deprivationh
 Non-deprived1596 (80.7)281 (62.3)334 (77.3)406 (90.4)423 (96.4)
 Deprived381 (19.3)170 (37.7)98 (22.7)43 (9.6)16 (3.6)
 Housing typei
 Public rental housing1026 (52.3)255 (57.3)281 (65.5)259 (57.9)124 (28.3)
 Public ownership housing344 (17.5)49 (11.0)40 (9.3)69 (15.4)119 (27.2)
 Private rental housing181 (9.2)59 (13.3)46 (10.7)33 (7.4)35 (8.0)
 Private ownership housing411 (20.9)82 (18.4)62 (14.5)86 (19.2)160 (36.5)
 Living space per capita j15.4±9.519.1±12.813.9±8.113.5±7.315.5±8.4
Lifestyle behaviours
 Smoking statusk
 Non-smoker1615 (81.8)360 (79.8)342 (79.4)367 (82.1)368 (83.6)
 Past smoker/current smoker360 (18.2)91 (20.2)89 (20.6)80 (17.9)72 (16.4)
 Alcohol drinkingl
 Non-risky drinker1892 (96.6)440 (98.0)409 (95.8)424 (95.3)420 (96.8)
 Risky drinker67 (3.4)9 (2.0)18 (4.2)21 (4.7)14 (3.2)
 Physical activities
 Active217 (11.0)51 (11.3)45 (10.4)51 (11.4)49 (11.1)
 Minimally active279 (14.1)85 (18.8)64 (14.8)49 (10.9)49 (11.1)
 Inactive1482 (74.9)315 (69.8)323 (74.8)349 (77.7)342 (77.7)
  • Data are presented as n (%) or mean±SD.

  • Missing data: a206; b45; c45; d4; e1; f1; g12; h1; i16; j2; k3; l19.

  • US$1≈HK$7.8.