Thyroid disease 6540 (18.4%) 1954 (22.3%) 4586 (17.2%) 0.054 0.006 Arthritis 1373 (3.9%) 400 (4.6%) 973 (3.6%) 0.003 0.010 Asthma 5462 (15.4%) 1622 (18.5%) 3840 (14.4%) 0.007 0.002 Hearing impairment 1511 (4.3%) 467 (5.3%) 1044 (3.9%) 0.035 0.008 Vision impairment 538 (1.5%...