Table 3.
Factors | Cases, n (%) | Subgroup-specific estimates (95% empirical CI) | Percentage contribution (95% CI) | ||||
Age group (years) | |||||||
|
0-30 | 301 (19.1) | 4.87 (4.55, 5.18) | Referencec | |||
|
31-45 | 358 (22.7) | 4.86 (4.58, 5.14) | 0.04 (–7.82, 8.48) | |||
|
46-60 | 448 (28.5) | 5.27 (4.99, 5.55) | 6.86 (–1.14, 15.41) | |||
|
≥61 | 467 (29.7) | 5.52 (5.21, 5.82) | 11.29 (3.05, 20.09) | |||
Sex | |||||||
|
Female | 834 (53) | 5.15 (4.95, 5.35) | Referencec | |||
|
Male | 740 (47) | 5.20 (4.98, 5.42) | 2.11 (–3.17, 7.63) | |||
Number of general symptoms | |||||||
|
0 | 985 (62.6) | 5.38 (5.20, 5.56) | Referencec | |||
|
≥1 | 589 (37.4) | 4.83 (4.58, 5.08) | –12.45 (–17.39, –7.27) | |||
Number of respiratory symptoms | |||||||
|
0 | 1002 (63.7) | 5.17 (4.99, 5.35) | Referencec | |||
|
1 | 459 (29.2) | 5.20 (4.91, 5.49) | –1.25 (–7.09, 4.91) | |||
|
≥2 | 113 (7.2) | 5.08 (4.54, 5.62) | 1.86 (–8.77, 13.57) | |||
Order of settings | |||||||
|
None | 423 (26.9) | 5.71 (5.43, 6.00) | Referencec | |||
|
Primary | 1045 (66.4) | 5.03 (4.85, 5.22) | –10.08 (–15.44, –4.43) | |||
|
Secondary or beyond | 106 (6.7) | 4.38 (3.80, 4.95) | –20.73 (–29.61, –10.93) | |||
Mode of case detection | |||||||
|
Privatea | 347 (22) | 6.48 (6.15, 6.82) | Referencec | |||
|
Publicb | 1227 (78) | 4.80 (4.64, 4.96) | –27.56 (–32.33, –22.52) | |||
Wave | |||||||
|
1 | 176 (11.2) | 5.29 (4.78, 5.80) | Referencec | |||
|
2 | 1398 (88.8) | 5.16 (5.00, 5.31) | –7.23 (–15.58, 1.82) |
aPrivate mode includes diagnosis in private, enhanced surveillance in private, and private test.
bPublic mode includes enhanced lab surveillance, enhanced surveillance at general outpatient clinics and accident and emergency departments, meeting reporting criteria, Tier 6, and Tier 7.
cThe reference is a common comparator across all variables.