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Table 1 Characteristics of the internal living environment as described at age nine months for 6112 cohort children

From: Internal living environment and respiratory disease in children: findings from the Growing Up in New Zealand longitudinal child cohort study

Internal living environment

N (%)

Housing tenure (N = 5640)

Owner occupancy

2916 (52)

Tenancy

2724 (48)

Crowding indexa (N = 6111)

<1 (low)

336 (6)

1- < 2 (medium)

4430 (72)

2+ (high)

1345 (22)

Maternal smoking (N = 6110)

Yes

870 (14)

No

5240 (86)

Smoking by others in the household (N = 6109)

Yes

1835 (30)

No

4274 (70)

Heating the house (N = 6108)

Yes

5449 (89)

No

659 (11)

Form/s of heating used in the houseb (N = 5447)

Electric heater

4854 (89)

Flued gas heater

769 (14)

Unflued portable gas heater

671 (12)

Wood burner

1498 (28)

Coal burner

96 (2)

Others

72 (1)

Form/s of heating used in the room where child sleeps at nightb (N = 5297)

No heating

763 (14)

Electric heater

4337 (82)

Flued gas heater

138 (3)

Unflued portable gas heater

74 (1)

Wood burner

243 (5)

Coal burner

16 (0)

Others

39 (1)

Dampness of the house (N = 6070)

Never or hardly ever

3053 (50)

Not very often

1772 (29)

Quite often

908 (15)

Always or almost always

337 (6)

Heavy condensation in the room where baby sleeps at night (N = 6084)

Never or hardly ever

3109 (51)

Not very often

1654 (27)

Quite often

951 (16)

Always or almost always

370 (6)

Mould or mildew in the walls or ceilings in the room where child sleeps at night in the past two weeks (N = 6101)

Yes

769 (13)

No

5332 (87)

  1. aHousehold crowding was measured as a ratio of household occupants to bedrooms
  2. bMultiple responses allowed