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. 2014 May 12;14:444. doi: 10.1186/1471-2458-14-444

Table 5.

Factors associated with ever using weight-loss medications: n, % unadjusted and multivariate logistic regression

  Never used weight-loss medications (n = 25287) n (%) Used weight-loss medications (n = 826) n (%) Unadjusted OR 95% CI p value Adjusted OR 95% CI p value
Gender
  
  
  
  
  
  
  
  
Male
 11312 (44.7)
 148 (17.9)
 1
  
  
 1
  
  
Female
 13975 (55.3)
 678 (82.1)
 3.71
 (3.10-4.44)
 <0.001
 3.73
 (3.10-4.48)
 <0.001
Age
  
  
  
  
  
  
  
  
16-35
 4091 (16.2)
 253 (30.6)
 1
  
  
 1
  
  
36-55
 7651 (30.3)
 311 (37.7)
 0.66
 (0.55-0.78)
 <0.001
 0.47
 (0.39-0.57)
 <0.001
56-75
 10973 (43.4)
 239 (28.9)
 0.35
 (0.29-0.42)
 <0.001
 0.20
 (0.17-0.25)
 <0.001
76+
 2572 (10.2)
 23 (2.8)
 0.14
 (0.09-0.22)
 <0.001
 0.09
 (0.06-0.14)
 <0.001
Deprivation
  
  
  
  
  
  
  
  
Least deprived
 3723 (14.7)
 72 (8.7)
 1
  
  
 1
  
  
Low deprivation
 6455 (25.5)
 157 (19.0)
 1.26
 (0.95-1.67)
 0.111
 1.16
 (0.87-1.55)
 0.317
Average
 4213 (16.7)
 135 (16.3)
 1.66
 (1.24-2.21)
 0.001
 1.34
 (1.00-1.81)
 0.053
High deprivation
 4642 (18.4)
 181 (21.9)
 2.02
 (1.53-2.66)
 <0.001
 1.34
 (1.00-1.79)
 0.047
Most deprived
 6254 (24.7)
 281 (34.0)
 2.32
 (1.79-3.02)
 <0.001
 1.38
 (1.05-1.82)
 0.021
BMI
  
  
  
  
  
  
  
  
Normal/underweight
 11300 (44.7)
 124 (15.0)
 1
  
  
 1
  
  
Overweight
 9318 (36.9)
 243 (29.4)
 2.38
 (1.91-2.96)
 <0.001
 4.87
 (3.42-6.92)
 <0.001
Obese
 4669 (18.5)
 459 (55.6)
 8.96
 (7.33-10.96)
 <0.001
 13.34
 (9.34-19.05)
 <0.001
Health condition*
  
  
  
  
  
  
  
  
No
 9569 (38.8)
 248 (30.6)
 1
  
  
 1
  
  
Yes
 15079 (61.2)
 563 (69.4)
 1.44
 (1.24-1.68)
 <0.001
 2.34
 (1.61-3.38)
 <0.001
BMI x Health condition
  
  
  
  
  
  
  
  
Overweight x Yes
  
  
  
  
  
 0.56
 (0.36-0.89)
 0.013
Obese x Yes           0.72 (0.46-1.11) 0.138

OR = Odds-ratios; CI = confidence interval.

*Any long-standing illness, health problem, condition or disability.