Table 1

Characteristics of Health Survey for England participants included and excluded from the analyses by age group

Characteristics2–6 years7–15 years16+ years
Included (n = 3500)Excluded (n = 688)Included (n = 6015)Excluded (n = 937)Included (n = 41 479)Excluded (n = 6666)
No (%)No (%)No (%)No (%)No (%)No (%)
Sex
    Men1777 (50.8)347 (50.4)3017 (50.2)483 (51.6)18778 (45.3)3009 (45.1)
    Women1723 (49.2)341 (49.6)2998 (49.8)454 (48.5)22701 (54.7)3657 (54.9)
Household social class
    I – professional545 (11.1)106 (17.0)972 (17.4)166 (19.6)6590 (17.0)1242 (20.0)
    II – managerial/technical798 (25.0)153 (24.6)1477 (26.5)227 (26.8)10 009 (25.8)1580 (25.4)
    III NM – skilled non-manual598 (18.7)121 (19.5)921 (16.5)148 (17.5)7023 (18.1)1146 (18.4)
    III M – skilled manual831 (26.0)159 (25.6)1542 (27.6)204 (24.1)10547 (27.2)1587 (25.5)
    IV and V – semiskilled/unskilled424 (13.3)83 (13.3)666 (11.9)103 (12.2)4560 (11.8)671 (10.8)
    Missing30466437892750440
Townsend quintiles
    1st (least deprived)579 (16.5)50 (19.3)1184 (19.7)105 (26.7)8254 (19.9)743 (25.6)
    2nd648 (18.5)58 (22.4)1163 (19.3)59 (15.0)8418 (20.3)615 (21.2)
    3rd715 (20.4)44 (17.0)1182 (19.7)73 (18.5)8728 (21.0)605 (20.9)
    4th697 (19.9)51 (19.7)1144 (19.0)80 (20.3)8008 (19.3)500 (17.3)
    5th (most deprived)861 (24.6)56 (21.6)1342 (22.3)77 (19.5)8071 (19.5)436 (15.0)
    Missing0429054303767
Smoking status
    Never13 144 (31.7)2106 (33.8)
    Never regular smokernananana5789 (14.0)774 (12.4)
    Ex-regular smoker10286 (24.8)1496 (24.0)
    Current smoker12260 (29.6)1859 (29.8)
    Missing0431
Distance to a main road
    <30 m188 (5.4)14 (3.5)365 (6.1)13 (2.5)2816 (6.8)181 (4.6)
    30–60 m138 (3.9)13 (3.2)285 (4.7)20 (3.9)2265 (5.5)188 (4.7)
    60–90 m252 (7.2)24 (6.0)405 (6.7)34 (6.5)2888 (7.0)264 (6.6)
    90–120 m260 (7.4)35 (8.7)470 (7.8)37 (7.1)3172 (7.7)331 (8.3)
    120–150 m250 (7.1)36 (9.0)412 (6.9)33 (6.4)2896 (7.0)306 (7.7)
    >150 m2412 (68.9)279 (69.6)4078 (67.8)383 (73.7)27442 (66.2)2706 (68.1)
    Missing0287041702690
  • M, manual; na, not applicable; NM, non-manual.