borderline significantp = 0.052
The HR for Q2–4 combined as compared to Q1 was significant in the univariate analysis [1.42 (1.09–1.99), p = 0.046], but became borderline significant after adjusting for the variables in Model 3 [1.42 (1.00–2.04), p = 0.052], as shown in Table 4 .