Table 2.
Variables | Case (N = 82,480), n (%) | Control (N = 164,960), n (%) | Standardized difference |
---|---|---|---|
Rurality Index of Ontario score | |||
Mean (SD) | 10.97 (17.77) | 9.83 (16.41) | 0.055 |
Rurality Index of Ontario category | |||
Urban | 58,606 (71.05) | 121,102 (73.41) | 0.053 |
Small urban | 19,054 (23.10) | 35,883 (21.75) | 0.032 |
Rural | 4,820 (5.84) | 7,975 (4.83) | 0.045 |
Age | 39.96 (16.07) | 39.98 (16.06) | 0.002 |
Sex (% female) | 43,034 (52.18) | 86,068 (52.18) | 0 |
Immigration status | |||
Nonimmigrant | 74,918 (90.83) | 136,671 (82.85) | 0.238 |
Immigrant | 5,747 (6.97) | 23,517 (14.26) | 0.238 |
Refugee | 1,815 (2.20) | 4,772 (2.89) | 0.044 |
Income quintile | |||
Q1 (lowest) | 23,665 (28.94) | 31,093 (18.92) | 0.233 |
Q2 | 17,612 (21.54) | 32,496 (19.78) | 0.041 |
Q3 | 14,879 (18.20) | 33,129 (20.16) | 0.052 |
Q4 | 13,565 (16.59) | 34,662 (21.10) | 0.117 |
Q5 (highest) | 12,044 (14.73) | 32,923 (20.04) | 0.142 |
Instability index quintile | |||
1 | 10,820 (13.42) | 35,693 (21.81) | 0.226 |
2 | 11,922 (14.79) | 31,877 (19.48) | 0.130 |
3 | 13,722 (17.02) | 29,894 (18.26) | 0.039 |
4 | 17,571 (21.80) | 30,882 (18.87) | 0.065 |
5 | 26,576 (32.97) | 35,323 (21.58) | 0.246 |
Dependency quintile | |||
1 | 18,779 (23.30) | 42,475 (25.95) | 0.07 |
2 | 16,203 (20.10) | 34,435 (21.04) | 0.031 |
3 | 15,117 (18.75) | 30,743 (18.78) | 0.008 |
4 | 14,691 (18.22) | 28,389 (17.35) | 0.016 |
5 | 15,281 (19.63) | 27,627 (16.88) | 0.063 |
Time limited minor (ADG1) | 26,700 (32.37) | 35,835 (21.72) | 0.241 |
Time limited minor: primary infection (ADG2) | 45,300 (54.92) | 70,677 (42.84) | 0.243 |
Time limited major (ADG3) | 8,895 (10.78) | 6,802 (4.12) | 0.256 |
Time limited major : primary infection (ADG4) | 14,654 (17.77) | 13,033 (7.90) | 0.298 |
Allergies (ADG5) | 5,894 (7.15) | 10,525 (6.38) | 0.03 |
Asthma (ADG6) | 7,241 (8.78) | 7,865 (4.77) | 0.16 |
Likely to recur: discrete (ADG7) | 36,242 (43.94) | 47,953 (29.07) | 0.313 |
Likely to recur: discrete infection (ADG8) | 20,847 (25.28) | 28,263 (17.13) | 0.200 |
Likely to recur progressive (ADG9) | 4,538 (5.50) | 2,514 (1.52) | 0.217 |
Chronic medical: stable (ADG10) | 33,834 (41.02) | 50,007 (30.31) | 0.225 |
Chronic medical: unstable (ADG11) | 20,508 (24.86) | 21,661 (13.13) | 0.303 |
Chronic specialty: stable-orthopedic (ADG12) | 2,822 (3.42) | 3,474 (2.11) | 0.080 |
Chronic specialty: stable-ear, nose, throat (ADG13) | 1,605 (1.95) | 2,551 (1.55) | 0.031 |
Chronic specialty-stable-eye (ADG14) | 3,415 (4.14) | 5,107 (3.10) | 0.056 |
Chronic specialty: unstable-orthopedic (ADG16) | 3,355 (4.07) | 2,666 (1.62) | 0.148 |
Chronic specialty: unstable-ear, nose, throat (ADG17) | 10 (0.01) | <10 | 0.010 |
Chronic specialty: unstable-eye (ADG18) | 3,547 (4.30) | 6,330 (3.84) | 0.023 |
Dermatologic (ADG20) | 10,719 (13.00) | 22,088 (13.39) | −0.011 |
Injuries/adverse effects: minor (ADG21) | 31,290 (37.94) | 31,239 (18.94) | 0.431 |
Injuries/adverse effects: major (ADG22) | 57,928 (70.23) | 22,422 (13.59) | 1.402 |
Psychosocial: time limited, minor (ADG23) | 15,605 (18.92) | 5,973 (3.62) | 0.499 |
Psychosocial: recurrent or persistent, stable (ADG24) | 62,399 (75.65) | 37,009 (22.44) | 1.258 |
Psychosocial: recurrent or persistent, unstable (ADG25) | 36,436 (44.18) | 6,701 (4.06) | 1.060 |
Signs/symptoms: minor (ADG26) | 40,856 (49.53) | 49,810 (30.20) | 0.403 |
Signs/symptoms: uncertain (ADG27) | 54,244 (65.77) | 71,015 (43.05) | 0.468 |
Signs/symptoms: major (ADG28) | 34,397 (41.70) | 42,303 (25.64) | 0.345 |
Discretionary (ADG29) | 16,764 (20.32) | 23,837 (14.45) | 0.155 |
See and reassure (ADG30) | 1,692 (2.05) | 2,495 (1.51) | 0.041 |
Prevention/administrative (ADG31) | 31,231 (37.86) | 61,184 (37.09) | 0.016 |
Malignancy (ADG32) | 4,794 (5.81) | 7,190 (4.36) | 0.066 |
Pregnancy (ADG33) | 3,377 (4.09) | 7,598 (4.61) | −0.025 |
Dental (ADG34) | 4,579 (5.55) | 2,778 (1.68) | 0.208 |
ADG: aggregate diagnosis group; SD: standard deviation.