Table 2:

Comparison of characteristics of single-season versus persistent snowbirds, 2009/10

CharacteristicNo. (%) of snowbirds*Standardized difference, %
Single-season
n = 11 626
Persistent
n = 41 805
Sociodemographic characteristics
Age category, yr
 65–692817 (24.2)13 834 (33.1)0.20
 70–743139 (27.0)12 827 (30.7)0.08
 75–792744 (23.6)8851 (21.2)0.06
 ≥ 802926 (25.2)6293 (15.1)0.25
Female sex6292 (54.1)21 114 (50.5)0.07
Recent migrant to Ontario1225 (10.5)2702 (6.5)0.15
Rural residency1565 (13.5)7885 (18.9)0.15
Neighbourhood income quintile0.09
 1 (lowest)1960 (16.9)5691 (13.7)0.01
 22221 (19.2)7753 (18.6)0.02
 32336 (20.2)8059 (19.3)0.03
 42394 (20.7)9084 (21.8)0.08
 5 (highest)2679 (23.1)11 078 (26.6)0.20
 Missing36 (0.3)140 (0.3)0.00
Comorbidities
Deyo–Charlson Comorbidity Index score
 08924 (76.8)34 072 (81.5)0.12
 11135 (9.8)3633 (8.7)0.04
 ≥ 21567 (13.5)4100 (9.8)0.11
Diabetes mellitus3545 (30.5)11 815 (28.3)0.05
Asthma1494 (12.9)4821 (11.5)0.04
Chronic obstructive pulmonary disease2128 (18.3)6517 (15.6)0.07
Hypertension8786 (75.6)31 290 (74.8)0.02
Acute myocardial infarction486 (4.2)1440 (3.4)0.04
Congestive heart failure941 (8.1)2099 (5.0)0.12
Mental health condition2613 (22.5)8175 (19.6)0.07
Prior health care visits, median (IQR)
Emergency department (previous yr)11 (7–16)9 (6–14)0.15
Primary care (previous 2 yr)2 (0–5)2 (0–5)0.06
Specialist care (previous yr)0 (0–0)0 (0–0)0.13
  • Note: IQR = interquartile range.

  • * Except where noted otherwise.

  • Those who appeared in 2 or more seasonal cohorts over the 10-year study period.