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Table 4 Regression analysis of total number of daily puffs by job type and adjusted household income

From: Socioeconomic differences in nicotine exposure and dependence in adult daily smokers

Variable Estimate StandardError P-value
Adjusted Household Incomea 0.0003 0.0003 0.292
Unemployed 45.2319 13.4137 0.001
Blue-Collar 25.3138 12.4567 0.043
White-Collar Reference   
  1. aHousehold income/Household Size