highly significantp < 0.001
The assortativity score for non-smokers registers as highly significant (Model 2, OR = 5.61; CI: 2.46, 12.80, p < 0.001; Model 3, OR = 4.91; CI: 2.10, 11.47, p < 0.001), signifying a pronounced tendency for non-smokers to form clusters within their social networks.