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Table 2 Curde proportions and adjusted odds ratios of asthma-related acute outcomes for the main exposure, UPC, and covariates

From: Are primary care and continuity of care associated with asthma-related acute outcomes amongst children? A retrospective population-based study

Variable

No. (%) of children with an ED visit, by variable

ED visits or not,

OR (95% CI)

No. (%) of children with a hospital admission, by variable

Hospital admission or not, OR (95% CI)

Primary care model

 No Assigned UPC

826/6,848 (12.1)

Reference

558/6,848 (8.2)

Reference

 Pediatrician

1,225/13,743 (8.9)

0.80 (0.72, 0.88)

643/13,743 (4.7)

0.66 (0.58, 0.75)

 FMGs

961/9,464 (10.2)

0.84 (0.75, 0.93)

618/9,464 (6.5)

0.82 (0.72, 0.93)

 Non-FMGs

1,054/9,286 (11.4)

0.92 (0.83, 1.02)

586/9,286 (6.3)

0.76 (0.67, 0.87)

Age category

 2-5 yo

2,060/16,126 (12.8)

Reference

1,241/16,126 (7.7)

Reference

 6-9yo

1,035/ 11,037 (9.4)

1.09 (1.00, 1.18)

552/11,037 (5.0)

0.91 (0.81, 1.02)

 10-12yo

518/5,997 (8.6)

1.17 (1.05, 1.30)

281/5,997 (4.7)

0.89 (0.77, 1.03)

 13-16yo

453/6181 (7.3)

0.94 (0.84, 1.06)

331/6,181 (5.4)

0.90 (0.79, 1.04)

Sex

 Female

1,487/15,771 (9.4)

Reference

964/15,771 (6.1)

Reference

 Male

2,579/23,570 (10.9)

1.08 (1.01, 1.16)

1,442/23,570 (6.1)

0.95 (0.87, 1.04)

SES

 Q1 (least deprived)

732/9,270 (7.9)

Reference

473/9,270 (5.1)

Reference

 Q2

829/8,741 (9.5)

1.07 (0.96, 1.18)

513/8,741 (5.9)

1.02 (0.89, 1.16)

 Q3

728/6,979 (10.4)

1.10 (0.99, 1.23)

469/6,979 (6.7)

1.10 (0.97, 1.27)

 Q4

749/6,364 (11.8)

1.24 (1.11, 1.38)

397/6,364 (6.2)

1.03 (0.90, 1.19)

 Q5 (most deprived)

862/6,549 (13.2)

1.34 (1.21, 1.49)

469/6,549 (7.2)

1.12 (0.98, 1.29)

Rurality

 Urban (population >100k)

2,771/28,526 (9.7)

Reference

1,551/28,526 (5.4)

Reference

 Small cities (population 10k-100k)

498/4,447 (11.2)

0.97 (0.87, 1.08)

362/4,447 (8.1)

1.25 (1.10, 1.43)

 Rural (population <10k)

781/6,089 (12.8)

1.07 (0.98, 1.18)

482/6,089 (7.9)

1.12 (1.00, 1.27)

Other co-morbidities

 Asthma Only

3,619/35,688 (10.1)

Reference

1,539/35,688 (4.3)

Reference

 Asthma & other comorbidities

447/3,653 (12.2)

0.81 (0.73, 0.91)

866/3,653 (23.7)

4.68 (4.24, 5.17)

Previous hospital admission

 No

2,163/27,403 (7.9)

Reference

910/27,403 (3.3)

Reference

 Yes

1,903/11,938 (15.9)

1.09 (1.01, 1.17)

1,495/11,938 (12.5)

1.95 (1.76, 2.15)

Previous Ed visits

 0 Visit

442/15,004 (2.9)

Reference

380/15,004 (2.5)

Reference

 1 Visit

586/8,064 (7.3)

2.47 (2.17, 2.81)

364/8,064 (4.5)

1.41 (1.21, 1.64)

 2-3 Visits

1,101/8,686 (12.7)

4.47 (3.98, 5.03)

599/8,686 (6.9)

1.92 (1.67, 2.21)

 Over 4 visits

1,937/7,587 (25.5)

10.13 (9.00, 11.39)

1,062/7,587 (14.0)

3.12 (2.72, 3.59)

Previous asthma specialist visits

 0 Visits

1,068/12,476 (8.6)

Reference

739/12,476 (5.9)

Reference

 1 Visit

624/5,741 (10.9)

1.15 (1.03, 1.29)

330/5,741 (5.8)

0.94 (0.81, 1.08)

 2 Visits

814/10,396 (7.8)

0.99 (0.89, 1.10)

385/10,396 (3.7)

0.82 (0.72, 0.95)

 Over 3 Visits

1,560/10,728 (14.5)

1.51 (1.37, 1.66)

951/10,728 (8.9)

1.35 (1.20, 1.51)

  1. Logistic model adjusted for all covariates in the table
  2. Legend: ED Emergency Department, SES Socioeconomic Status, Q Socioeconomic Quintile, FMG Family Medicine Groups, UPC Usual Provider of Care