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Table 3 Unadjusted and adjusted relative risk ratios for the association between past year HED frequencya and depressive symptoms by education and employment among middle-aged community dwelling Norwegians

From: The association between alcohol use and depressive symptoms across socioeconomic status among 40- and 45-year-old Norwegian adults

Depressed group No HED past year 7–12 past year HED episodes 13+ past year HED episodes
Unadjusted Adjusted Unadjusted Adjusted Unadjusted Adjusted
RRR (95 % CI) RRR (95 % CI) RRR (95 % CI) RRR (95 % CI) RRR (95 % CI) RRR (95 % CI)
Education tertile     
 Lowest 1.20 (0.94,1.54) 1.10 (0.82,1.47) 1.16 (0.82,1.64) 1.34 (0.90,1.98) 1.27 (0.90,1.79) 1.39 (0.94,2.07)
 Middle 1.12 (0.87,1.45) 1.08 (0.82,1.44) 0.96 (0.69,1.34) 1.00 (0.70,1.44) 1.48 (1.09,2.00)* 1.25 (0.88,1.79)
 Highest 0.94 (0.69,1.29) 0.90 (0.64,1.27) 0.89 (0.58,1.35) 1.00 (0.64,1.56) 1.25 (0.86,1.83) 1.27 (0.83,1.94)
Employment       
 None 1.20 (0.86,1.68) 0.92 (0.61,1.38) 1.14 (0.72,1.81) 0.99 (0.57,1.73) 2.39 (1.57,3.64)*** 1.97 (1.12,3.46)*
 Part-time 1.23 (0.88,1.72) 1.13 (0.78,1.63) 1.56 (0.92,2.62) 1.56 (0.86,2.82) 3.44 (2.11,5.62)*** 2.33 (1.27,4.29)**
 Full-time 1.09 (0.88,1.35) 1.03 (0.82,1.30) 0.95 (0.73,1.24) 1.05 (0.79,1.40) 0.99 (0.75,1.29) 1.01 (0.76,1.36)
  1. Note: Referent group of 1–6 HED past year episodes chosen by STATA “mlogit” command default setting to choose the most frequent outcome as the base outcome. Adjusted models included age, gender, cohabitation status, area of residence, self-reported health status and smoking
  2. aReference group = 1–6 HED past year episodes *p < 0.05 **p < 0.01 ***p < 0.001