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Table 4 Stability and change in normal weekly alcohol consumption (NWAC) in SPHC at T 0 and T 2

From: Stability and change in alcohol habits of different socio-demographic subgroups - a cohort study

Subgroups

n

ICC*

95% CI

Mean

Chance (%)

 

Nwac

Mean nwac

 

AT T0

T0- T2

Total

16 688

0.62

0.61-0.63

101.51

0.74

Sex

     
 

Men

7 128

0.60

0.58-0.61

133.32

1.31

Women

9 560

0.57

0.56-0.59

77.79

0.00

Age at T 0

     

Men

18-29 years

728

0.47

0.41-0.52

149.48

-19.60

 

30-39 years

1 339

0.53

0.49-0.57

126.39

-4.53

 

40-49 years

1 400

0.66

0.63-0.69

136.28

4.96

 

50-59 years

1 820

0.61

0.58-0.64

142.71

6.85

 

60-64 years

865

0.64

0.60-0.68

128.94

8.36

 

65-74 years

892

0.62

0.58-0.66

116.74

3.71

 

75-84 years

84

0.69

0.56-0.79

71.80

17.02

Women

18-29 years

1 210

0.40

0.35-0.44

85.09

-26.42

 

30-39 years

2 111

0.56

0.53-0.59

71.48

-0.94

 

40-49 years

1 931

0.62

0.59-0.65

82.17

3.64

 

50-59 years

2 328

0.59

0.56-0.61

83.16

7.54

 

60-64 years

868

0.67

0.64-0.71

78.23

7.82

 

65-74 years

984

0.62

0.58-0.65

65.56

3.81

 

75-84 years

128

0.68

0.57-0.76

40.33

9.05

Educational level at T 0

     

Men

Low

1 103

0.58

0.54-0.62

124.37

4.55

 

Intermediate

3 042

0.59

0.57-0.61

137.09

2.06

 

High

2 983

0.62

0.59-0.64

132.77

-0.59

Women

Low

1 337

0.51

0.47-0.55

70.74

-3.67

 

Intermediate

4 061

0.58

0.56-0.60

76.42

1.43

 

High

4 162

0.59

0.57-0.61

81.40

-0.29

Occupational class at T 0

     

Men

Unskilled workers

1 303

0.59

0.56-0.63

121.12

3.07

 

Skilled workers

720

0.54

0.49-0.59

122.79

4.43

 

Lower non-manual employees

685

0.60

0.55-0.65

133.56

-4.08

 

Intermediate non-manual employees

1 737

0.59

0.56-0.62

136.61

-2.54

 

Higher non-manual employees

1 903

0.64

0.61-0.67

136.04

1.22

 

Self-employed

780

0.58

0.53-0.62

149.20

8.87

Women

Unskilled workers

1 526

0.54

0.51-0.58

62.98

-1.35

 

Skilled workers

917

0.53

0.49-0.58

71.21

-1.67

 

Lower non-manual employees

1 895

0.57

0.54-0.60

77.23

2.00

 

Intermediate non-manual employees

2 856

0.56

0.53-0.58

78.43

-0.81

 

Higher non-manual employees

1 933

0.58

0.55-0.61

88.51

-0.19

 

Self-employed

433

0.68

0.63-0.73

94.36

3.93

  1. *Intraclass correlation (ICC) with two-way mixed effects model where people effects are random and measures effects are fixed.