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Table 1 Socio-demographic and other selected characteristics, n (%), by BMI category and gender

From: Chronic disease burden associated with overweight and obesity in Ireland: the effects of a small BMI reduction at population level

  Males (n = 4,260) Females (n = 4,171)
  Normal weight Overweight Obese Normal weight Overweight Obese
All ages 1,745 (41.0) 1,831 (43.0) 684 (16.1) 2,397 (57.5) 1,217 (29.2) 557 (13.4)
No chronic disease 1,272 (73.7) 1,248 (69.4) 446 (66.3) 1,650 (69.7) 777 (64.7) 305 (55.6)
1 chronic disease 335 (19.4) 403 (22.4) 151 (22.5) 503 (21.2) 268 (22.3) 148 (27.0)
2+ chronic diseases 119 (6.9) 147 (8.2) 76 (11.2) 215 (9.1) 156 (13.0) 96 (17.4)
Age (years)
18–24 438 (25.1) 136 (7.4) 25 (3.7) 443 (18.5) 78 (6.4) 45 (8.1)
25–34 464 (26.6) 364 (19.9) 129 (18.8) 577 (24.1) 237 (19.5) 90 (16.2)
35–44 269 (15.4) 408 (22.3) 167 (24.4) 458 (19.1) 218 (18.0) 116 (20.8)
45–54 207 (11.9) 365 (19.9) 149 (21.7) 348 (14.5) 221 (18.1) 135 (24.2)
55–64 159 (9.1) 297 (16.2) 123 (18.0) 223 (9.3) 213 (17.5) 91 (16.4)
65+ 207 (11.9) 262 (14.3) 92 (13.4) 348 (14.5) 249 (20.5) 80 (14.3)
Education level
Primary 254 (14.6) 393 (21.4) 169 (24.7) 346 (14.4) 290 (23.8) 134 (24.1)
Secondary 847 (48.5) 769 (42.0) 328 (48.0) 1018 (42.5) 545 (44.8) 248 (44.5)
Third level 644 (36.9) 669 (36.5) 187 (27.3) 1034 (43.1) 382 (31.4) 175 (31.4)
Social class*  
Social class 1 556 (31.9) 723 (39.5) 206 (30.1) 835 (34.8) 357 (29.3) 153 (27.4)
Social class 2 218 (12.5) 248 (13.5) 95 (13.8) 387 (16.1) 203 (16.7) 94 (16.9)
Social class 3 283 (16.2) 340 (18.6) 130 (18.9) 290 (12.1) 159 (13.1) 61 (11.0)
Social class 4 595 (34.1) 478 (26.1) 221 (32.3) 647 (27.0) 352 (28.9) 185 (33.2)
Social class 5 92 (5.3) 42 (2.3) 33 (4.8) 238 (9.9) 146 (12.0) 64 (11.5)
Employment
Employed 1,201 (68.8) 1,351 (73.8) 496 (72.5) 1,250 (52.1) 594 (48.8) 256 (46.0)
Unemployed 544 (31.2) 480 (26.2) 188 (27.5) 1,147 (47.9) 623 (51.2) 301 (54.0)
Smoking status
Current 632 (36.2) 443 (24.2) 180 (26.3) 634 (26.4) 306 (25.2) 138 (24.8)
Former/never 1,113 (63.8) 1,388 (75.8) 504 (73.7) 1,764 (73.6) 911 (74.8) 419 (75.2)
Alcohol intake
Never 246 (14.1) 256 (14.0) 123 (18.0) 494 (20.6) 316 (26.0) 138 (24.8)
Moderate 685 (39.2) 703 (38.4) 277 (40.4) 1,119 (46.7) 544 (44.7) 300 (53.9)
Frequent 815 (46.7) 872 (47.6) 285 (41.6) 784 (32.7) 357 (29.4) 119 (21.3)
  1. Note: All numbers are weighted to account for sampling design; Chronic disease includes lower back pain, osteoarthritis, diabetes, CVD, asthma, bronchitis, anxiety and depression; *Social class (SC) 1 is highest class, SC 4 is lowest, and SC 5 is never worked/unknown/unclassified; P-values (chi-squared): P < 0.0001 for all variables except for social class in females (P = 0.02), employment (P = 0.03 for both genders), smoking in females (P = 0.67), and alcohol in males (P = 0.17).