CANDLE Data Collection Visits Timeline


The original CANDLE Study recruited pregnant women in the 2nd trimester and followed the mother-child dyads until the child was 5 years of age.

Visits included:

  • 2 prenatal clinic visits (2nd and 3rd trimester)
  • 1 hospital visit at delivery
  • 4-week and 2-year home visits
  • Age, 1, 2, 3, and 4-year clinic visits
  • Updates via phone every 3 months (up to 12 timepoints)

Please see the below links for more information about data that was collected at the in-person visits during this time

In addition, please reference the codebooks below to learn about specific CANDLE measures and variables, including detailed descriptive statistics for many CANDLE measures. Please familiarize yourself with these documents before contacting CANDLE study staff with questions.

In addition, please reference the codebooks below to learn about specific CANDLE measures and variables, including detailed descriptive statistics for many CANDLE measures. Please familiarize yourself with these documents before contacting CANDLE study staff with questions.

  • CANDLE CODEBOOK: M1
  • CANDLE CODEBOOK: M2
  • CANDLE CODEBOOK: M3
  • CANDLE CODEBOOK: HV1
  • CANDLE CODEBOOK: CV1
  • CANDLE CODEBOOK: HV2
  • CANDLE CODEBOOK: CV2
  • CANDLE CODEBOOK: CV3
  • CANDLE CODEBOOK: PV
  • CANDLE CODEBOOK: CV4

For more information regarding CANDLE instruments, please contact us at 901-448-3300 or candlestudy@uthsc.edu.