Table 6

Mediation of educational differences in the intention to quit smoking by attitude, subjective norms and self-efficacy (N=3676)

Direct effectIndirect effect through attitudeIndirect effect through subjective normsIndirect effect through self-efficacyTotal indirect effect
Educational levelβ95% CI*β95% CI*β95% CI*β95% CI*β95% CI*
Intention to quit smoking within 1 month
Lowest0000
Lower−0.203(−0.502 to 0.095)0.001(−0.013 to 0.018)0.039(0.017 to 0.071)0.027(−0.019 to 0.074)0.067(0.007 to 0.130)
Higher−0.055(−0.373 to 0.263)−0.004(−0.026 to 0.010)0.041(0.017 to 0.075)−0.001(−0.053 to 0.053)0.036(−0.033 to 0.105)
Highest−0.283(−0.604 to 0.037)0.007(−0.008 to 0.027)0.045(0.019 to 0.080)0.083(0.030 to 0.141)0.134(0.066 to 0.208)
Intention to quit smoking within 6 months
Lowest0000
Lower−0.127(−0.362 to 0.108)0.001(−0.010 to 0.014)0.043(0.019 to 0.073)0.028(−0.020 to 0.076)0.073(0.009 to 0.135)
Higher0.044(−0.209 to 0.296)−0.004(−0.030 to 0.009)0.045(0.019 to 0.077)−0.001(−0.057 to 0.056)0.041(−0.030 to 0.113)
Highest0.335(−0.593 to −0.077)0.005(−0.006 to 0.022)0.050(0.023 to 0.083)0.087(0.031 to 0.145)0.142(0.072 to 0.215)
  • *95% CI of β, adjusted for age, marital status, amount of cigarettes smoked per day and city.