Research Article

Participant Experiences in the Environmental Determinants of Diabetes in the Young Study: Common Reasons for Withdrawing

Table 2

Active withdrawals by child’s age of withdrawal and demographic factors, maternal psychosocial factors, and maternal study satisfaction.

FactorsAll
3–36 m
()
Year 1
3–6 m
(row %) or
mean (SD)
Year 1
9–12 m
(row %) or
mean (SD)
Year 2
15–24 m
(row %) or
mean (SD)
Year 3
27–36 m
(row %) or
mean (SD)
value

Number of active withdrawals 1549584 (37.7)324 (20.9)431 (27.8)210 (13.6)
Country of residence
 Finland349106 (30.4)69 (19.8)122 (35.0)52 (14.9)
 Sweden453167 (36.9)92 (20.3)130 (28.7)64 (14.1)
 Germany12437 (29.8)36 (29.0)38 (30.6)13 (10.5)
 US623274 (44.0)127 (20.4)141 (22.6)81 (13.0)<0.001
Gender
 Female811323 (39.8)159 (19.6)232 (28.6)97 (12.0)
 Male738261 (35.4)165 (22.4)199 (27.0)113 (15.3)0.07
First degree relative with T1D
 No1433534 (37.3)302 (21.1)406 (28.3)91 (13.3)
 Yes11650 (43.1)22 (19.0)25 (21.6)19 (16.4)0.30
Maternal age at child’s birth
 years29.4 (5.6)28.9 (5.8)29.0 (5.2)29.6 (5.5)30.9 (5.5)<0.001
Highly anxious at last visit (SAI > 48)a
 No1241413 (33.3)259 (20.9)375 (30.5)191 (15.4)
 Yes229116 (50.7)55 (24.0)45 (19.7)13 (5.7)<0.001
Worry about diabetes at last visita,b
 Never or rarely 706104 (14.7)166 (23.5)290 (41.4)144 (20.4)
 Sometimes or very often34456 (16.3)114 (33.1)113 (33.4)59 (17.2)0.004
Risk perception at last visita
 Underestimate692247 (35.7)147 (21.2)207 (30.1)90 (13.0)
 Accurate783283 (36.1)170 (21.7)213 (27.5)115 (14.7)0.63
Study satisfaction at last visita,b
 Very satisfied27638 (13.8)77 (27.9)108 (39.1)53 (19.2)
 Satisfied28944 (15.2)87 (30.1)99 (34.3)59 (20.4)
 Somewhat satisfied27439 (14.2)71 (25.9)115 (42.0)49 (17.9)
 Neutral or dissatisfied 20838 (18.3)44 (21.2)84 (40.4)42 (20.2)0.47

If no measure last visit, the second to last visit is taken if available.
bStudy satisfaction and worry about diabetes are not asked in the first questionnaires so there are fewer available answers at 3 and 6 months.