Baseline Characteristics of Parents, Children, and Households, According to Whether or Not Symptom End Dates Were Recorded, and Restricted to the First RTI Episodes in a Family (n = 206)
| Characteristics | First RTI Episodes (n = 206) | Symptom End Dates Recorded? | |
|---|---|---|---|
| No (n = 26) | Yes (n = 180) | ||
| Parents | |||
| Sex, No. (%) | |||
| Missing | 2 (0.97) | ||
| Female | 193 (93.69) | 26 (100.00) | 167 (93.82) |
| Male | 11 (5.34) | 0 (0.00) | 11 (6.18) |
| Age, median (IQR), y | 38 (34-43) | 36 (34-41) | 38 (34-43) |
| Ethnicity, No. (%) | |||
| Missing | 9 (4.37) | ||
| Asian | 5 (2.43) | 0 (0.00) | 5 (2.91) |
| Black | 5 (2.43) | 2 (8.00) | 3 (1.74) |
| Mixed | 5 (2.43) | 1 (4.00) | 4 (2.33) |
| White | 182 (88.35) | 22 (88.00) | 160 (93.02) |
| Employment, No. (%) | |||
| Missing | 9 (4.37) | ||
| Full-time parent/caregiver | 34 (16.50) | 4 (16.00) | 30 (17.44) |
| In full-time education | 2 (0.97) | 0 (0.00) | 2 (1.16) |
| Not currently employed | 8 (3.88) | 2 (8.00) | 6 (3.49) |
| Working full time | 41 (19.90) | 7 (28.00) | 34 (19.77) |
| Working part time | 112 (54.37) | 12 (48.00) | 100 (58.14) |
| Education, No. (%) | |||
| Missing | 9 (4.37) | ||
| No official qualification | 2 (0.97) | 0 (0.00) | 2 (1.16) |
| Up to GCSEs/GCEs/O Levels or equivalent | 8 (3.88) | 4 (16.00) | 4 (2.33) |
| A Levels/NVQs/GNVQs or equivalent | 9 (4.37) | 2 (8.00) | 7 (4.07) |
| First degree/diploma/HNC/HND | 107 (51.94) | 11 (44.00) | 96 (55.81) |
| Higher degree (eg, MSc, PhD) | 71 (34.47) | 8 (32.00) | 63 (36.63) |
| Any medical/nursing training, No. (%) | |||
| Missing | 9 (4.37) | ||
| No | 155 (75.24) | 22 (88.00) | 133 (77.33) |
| Yes | 42 (20.39) | 3 (12.00) | 39 (22.67) |
| Children | |||
| Age, (median, IQR), y | 3 (1-7) | 3 (1-6) | 3 (1-7) |
| Sex, No. (%) | |||
| Female | 114 (55.34) | 15 (57.69) | 99 (55.00) |
| Male | 92 (44.66) | 11 (42.31) | 81 (45.00) |
| Ethnicity, No. (%) | |||
| Asian | 6 (2.91) | 1 (3.85) | 5 (2.78) |
| Black | 5 (2.43) | 1 (3.85) | 4 (2.22) |
| Mixed | 11 (5.34) | 3 (11.54) | 8 (4.44) |
| White | 184 (89.32) | 21 (80.77) | 163 (90.56) |
| Asthma, No. (%) | |||
| No | 187 (90.78) | 22 (84.62) | 165 (91.67) |
| Yes | 19 (9.22) | 4 (15.38) | 15 (8.33) |
| Eczema, No. (%) | |||
| No | 128 (62.14) | 18 (69.23) | 110 (61.11) |
| Yes | 78 (37.86) | 8 (30.77) | 70 (38.89) |
| Hay fever, No. (%) | |||
| No | 186 (90.29) | 22 (84.62) | 164 (91.11) |
| Yes | 20 (9.71) | 4 (15.38) | 16 (8.89) |
| Child receiving any breast milk at 3 months, No. (%) | |||
| Don’t know | 2 (0.97) | 1 (3.85) | 1 (0.56) |
| No | 30 (14.56) | 4 (15.38) | 26 (14.44) |
| Yes | 174 (84.47) | 21 (80.77) | 153 (85.00) |
| Child attending school, No. (%) | |||
| No | 125 (60.68) | 15 (57.69) | 110 (61.11) |
| Yes | 81 (39.32) | 11 (42.31) | 70 (38.89) |
| Child (not in school) attending daycare regularly, No. (%) | |||
| Not relevant (attends school) | 81 | ||
| No | 36 (28.80) | 6 (40.00) | 30 (27.27) |
| Yes (1-2 days per week) | 50 (40.00) | 6 (40.00) | 44 (40.00) |
| Yes (3-5 days per week) | 39 (31.20) | 3 (20.00) | 36 (32.73) |
| Households | |||
| Bedrooms, No. (%) | |||
| Missing | 9 | ||
| 1 | 4 (2.03) | 2 (8.00) | 2 (1.16) |
| 2 | 47 (23.86) | 5 (20.00) | 42 (24.42) |
| 3 | 86 (43.65) | 9 (36.00) | 77 (44.77) |
| 4 | 42 (21.32) | 6 (24.00) | 36 (20.93) |
| 5 | 14 (7.11) | 3 (12.00) | 11 (6.40) |
| 6 | 3 (1.52) | 0 (0.00) | 3 (1.74) |
| 7 | 0 (0.00) | 0 (0.00) | 0 (0.00) |
| 8 | 1 (0.51) | 0 (0.00) | 1 (0.58) |
| Resident smoker, No. (%) | |||
| Missing | 9 | ||
| No | 181 (91.88) | 22 (88.00) | 159 (92.44) |
| Yes | 16 (8.12) | 3 (12.00) | 13 (7.56) |
| Cat/dog in main home, No. (%) | |||
| Missing | 9 | ||
| No | 141 (71.57) | 16 (64.00) | 125 (72.67) |
| Yes | 56 (28.43) | 9 (36.00) | 47 (27.33) |
| Number of adults resident in child’s main home, No. (%) | |||
| Missing | 9 | ||
| 0 | 1 (0.51) | 0 (0.00) | 1 (0.58) |
| 1 | 15 (7.61) | 2 (8.00) | 13 (7.56) |
| 2 | 164 (83.25) | 20 (80.00) | 144 (83.72) |
| 3 | 11 (5.58) | 0 (0.00) | 11 (6.40) |
| 4 | 5 (2.54) | 3 (12.00) | 2 (1.16) |
| 8 | 1 (0.51) | 0 (0.00) | 1 (0.58) |
| Total number of children in home, No. (%) | |||
| Missing | 9 | ||
| 1 | 80 (40.61) | 8 (32.00) | 72 (41.86) |
| 2 | 103 (52.28) | 15 (60.00) | 88 (51.16) |
| 3 | 12 (6.09) | 1 (4.00) | 11 (6.40) |
| 4 | 1 (0.51) | 0 (0.00) | 1 (0.58) |
| 5 | 0 (0.00) | 1 (4.00) | 0 (0.00) |
| Age of children in home, median (IQR), y | 3 (2-7) | 2 (1-6) | 3 (2-7) |
A level = advanced level; GCE = general certificate of education; GCSE = general certificate of secondary education; GNVQ = general national vocational qualification; HNC = higher national certificate; HND = higher national diploma; IQR = interquartile range; MSc = master of science; NVQ = national vocational qualification; O level = general certificate of education ordinary level; PhD = doctor of philosophy; RTI = respiratory tract infection.