Table 1 Baseline characteristics of CASCADIA study population stratified by RSV A/B illness status (n = 3237 individuals; 1188 households)a

From: Correlates of risk of respiratory syncytial virus disease: a prospective cohort study

 

RSV A/B illness

Total (N = 3237)

 

No (n = 2932)

Yes (n = 305)

Overall household characteristics (regardless of enrollment status)

Enrollment site

  Oregon, USA

1507 (51.40%)

124 (40.66%)

1631 (50.39%)

  Washington, USA

1425 (48.60%)

181 (59.34%)

1606 (49.61%)

Household density

  Lives alone

21 (0.72%)

3 (0.99%)

24 (0.74%)

  2–4 people

2276 (77.81%)

217 (71.38%)

2493 (77.21%)

  5+ people

628 (21.47%)

84 (27.63%)

712 (22.05%)

Number of children in household

  No children

82 (2.80%)

5 (1.64%)

87 (2.69%)

  1 child

789 (26.91%)

64 (20.98%)

853 (26.35%)

  2–4 children

2018 (68.83%)

234 (76.72%)

2252 (69.57%)

  5+ children

36 (1.23%)

1 (0.33%)

37 (1.14%)

Household income

  Below study median (<$100,000)

987 (33.66%)

96 (31.48%)

1083 (33.46%)

  Study median ($100,000–$124,999)

719 (24.52%)

78 (25.57%)

797 (24.62%)

  Above study median (≥$125,000)

1127 (38.44%)

127 (41.64%)

1254 (38.74%)

  Prefer not to say

92 (3.14%)

3 (0.98%)

95 (2.93%)

Enrolled household member characteristics

Number of fully enrolled participants in household

  Median [Min, Max]

 3 [1, 8]

 3 [1, 7]

 3 [1, 8]

Children in household (yes/no)

  Yes

2746 (93.66%)

288 (94.43%)

3034 (93.73%)

Children < 5 years attend daycare (yes/no)

  Yes

830 (28.31%)

142 (46.56%)

972 (30.03%)

Individual characteristics

Age group

  6 months–1 year

76 (2.59%)

24 (7.87%)

100 (3.09%)

  2–4 years

176 (6.00%)

57 (18.69%)

233 (7.20%)

  5–12 years

827 (28.21%)

106 (34.75%)

933 (28.82%)

  13–17 years

332 (11.32%)

19 (6.23%)

351 (10.84%)

  18–50 years

1521 (51.88%)

99 (32.46%)

1620 (50.05%)

Sex assigned at birth

  Female

1720 (58.66%)

179 (58.69%)

1899 (58.67%)

Gender

  Male

1182 (40.31%)

123 (40.33%)

1305 (40.32%)

  Female

1640 (55.93%)

174 (57.05%)

1814 (56.04%)

  Transgender

42 (1.43%)

4 (1.31%)

46 (1.42%)

  Other

68 (2.32%)

4 (1.31%)

72 (2.22%)

Race

  American Indian or Alaska Native

13 (0.44%)

1 (0.33%)

14 (0.43%)

  Asian

217 (7.40%)

21 (6.89%)

238 (7.35%)

  Black or African American

72 (2.46%)

4 (1.31%)

76 (2.35%)

  Native Hawaiian or other Pacific Islander

4 (0.14%)

1 (0.33%)

5 (0.15%)

  White

2226 (75.92%)

220 (72.13%)

2446 (75.56%)

  Multiracial

298 (10.16%)

52 (17.05%)

350 (10.81%)

  Other

73 (2.49%)

5 (1.64%)

78 (2.41%)

Hispanic

  Yes

253 (8.63%)

26 (8.52%)

279 (8.62%)

Health insurance

  Employer-sponsored health insurance

2440 (83.22%)

285 (93.44%)

2725 (84.18%)

  Individual health insurance

114 (3.89%)

3 (0.98%)

117 (3.61%)

  Government insurance program

270 (9.21%)

13 (4.26%)

283 (8.74%)

  None

24 (0.82%)

1 (0.33%)

25 (0.77%)

  Other

42 (1.43%)

1 (0.33%)

43 (1.33%)

Any smoking (yes/no)

  Yes

31 (1.06%)

0 (0%)

31 (0.96%)

  Missing

975 (33.25%)

180 (59.02%)

1155 (35.68%)

Overall health (self-reported)

  Poor/fair

75 (2.56%)

6 (1.97%)

81 (2.50%)

  Good/very good

1711 (58.36%)

128 (41.97%)

1839 (56.81%)

  Excellent

1146 (39.09%)

171 (56.07%)

1317 (40.69%)

Comorbidities (self-reported)

  Asthma

436 (14.87%)

32 (10.49%)

468 (14.46%)

  Chronicobstructive pulmonary disease (including chronic bronchitis and emphysema)

7 (0.24%)

0 (0%)

7 (0.22%)

  Hypertension

140 (4.77%)

8 (2.62%)

148 (4.57%)

  Immunocompromised

56 (1.91%)

3 (0.98%)

59 (1.82%)

  Otherb

954 (32.54%)

57 (18.69%)

1011 (31.23%)

  1. aPercentages of missing data are shown if variable missingness is ≥5%.
  2. bOther comorbidities included sleep apnea, heart disease, congenital heart disease, heart failure, down syndrome, diabetes (high blood sugar), liver condition, weak or failing kidneys, cancer or malignancy, arthritis, stroke, deep vein thrombosis (DVT) or pulmonary embolism (PE), sickle cell disease or thalassemia, depression, anxiety, or thyroid issues. No participants reported any other health issues.