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Table 4 Multivariate relationships between home characteristics and significant risk factors

From: Heat protection behaviour in the UK: results of an online survey after the 2013 heatwave

Home characteristics

Number and percentage whose home had a specific characteristic

Significant factors (α = 0.05)

Relative risk ratio [95 % CI]

Installed air conditioner

N=47, %=3.2

Age group (base: 18–25)

 

26-60

0.4 [0.2, 0.9]*

61-75

0.2 [0.1, 0.6]*

76+

0.5 [0.2, 1.6]

Sex (base: male)

 

Female

0.8 [0.4, 1.6]

Ethnicity (base: Non White)

 

White

0.3 [0.1, 0.8]*

Location (base: South of England)

 

East of England and the Midlands

1.5 [0.6, 3.6]

London

1.5 [0.5, 4.6]

North

2.0 [0.7, 5.4]

Scotland

0.0 [0.0, 0.0]

Wales

1.2 [0.2, 6.1]

Northern Ireland

0.0 [0.0, 0.0]

Education level (base: higher level/university qualification)

 

A-Levels/vocational level 3

1.0 [0.5, 2.3]

GCSE O Levels/vocational level 2

0.9 [0.4, 1.9]

Other/ unknown qualification

0.9 [0.1, 7.4]

Income (base: <£15,000 gross yearly)

 

£15,000 - £29,999 gross yearly

1.7 [0.7, 4.1]

£30,000 - £49,999 gross yearly

1.1 [0.4, 3.1]

> £50,000 gross yearly

0.9 [0.3, 3.0]

Dark curtains

N = 911, % = 61.7

None

 

Portable air conditioner

N = 265, % = 18.1

Age group (base: 18–25)

 

26-60

0.5 [0.3, 0.8]

61-75

0.5 [0.3, 0.9]

Shutters

N = 172, % = 11.6

Age group (base: 18–25)

 

26-60

0.4 [0.2, 0.7]

61-75

0.3 [0.2, 0.5]

76+

0.5 [0.2, 0.9]

Ethnicity (base: Non White)

 

White

0.4 [0.2, 0.6]

Location (base: South of England)

 

London

2.1 [1.2, 3.8]

Loft/wall insulation

N = 1144, % = 77.2

Age group (base: 18–25)

 

26-60

1.7 [1.1, 2.6]

61-75

3.4 [2.1, 5.5]

76+

3.5 [1.9, 6.2]

Location (base: South of England)

 

London

0.4 [0.3, 0.7]

Income (base: <£15,000 gross yearly)

 

£15,000 - £29,999 gross yearly

1.5 [1.0, 2.1]

£30,000 - £49,999 gross yearly

1.5 [1.0, 2.2]

>£50,000 gross yearly

1.6 [1.0, 2.5]

Light curtains

N = 1085, % = 73.4

Age group (base: 18–25)

 

61-75

2.0 [1.3, 3.1]

Location (base: South of England)

 

London

0.6 [0.4, 1.0]

Education level (base: higher level/university qualification)

 

O-level/vocational level 2

0.7 [0.5, 0.9]

  1. *Significant variables at α = 0.05