Table 1 Age-stratification and stepped wedge approaches with the risk comparison between the adjacent exposure windows
Groups | GLFF exposure window and survey wave | |||
|---|---|---|---|---|
Group 1 (Age 61–72) | Adolescence-exposed (Survey wave: 2011) N = 2,417 | Childhood-exposed (Survey wave: 2018) N = 5,345 | Fetal-exposed (Survey wave: not available) | Non-exposed (Survey wave: not available) |
Group 1 Age Range during the Survey | 64–72 | 61–71 |  |  |
Group 2 (Age 54–64) | Adolescence-exposed (Survey wave: not available) | Childhood-exposed (Survey wave: 2011) N = 5,575 | Fetal-exposed (Survey wave: 2018) N = 2,193 | Non-exposed (Survey wave: not available) |
Group 2 Age Range during the Survey |  | 54–64 | 56–61 |  |
Group 3 (Age 50–56) | Adolescence-exposed (Survey wave: not available) | Childhood-exposed (Survey wave: not available) | Fetal-exposed (Survey wave: 2013) N = 2,240 | Non-exposed (Survey wave: 2018) N = 3,025 |
Group 3 Age Range during the Survey |  |  | 51–56 | 50–56 |