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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.