v0.14.0 (November 30, 2023)

• Add stonsetp (sleep onset time from PSG) and lights/onset in decimal hour variables
• Add sleep maintenance efficiency variable
• Add harmonized data to followup visit
• Add child_age variable
• Fix calculations and values for AHI variables (omahi3r, omahi3nr, omahi3b, omahi3o)
• The CSV datasets generated from a SAS export are located here:
  • \\rfawin\bwh-sleepepi-chat\nsrr-prep\_releases\0.14.0\

v0.13.0 (May 1, 2023)

• Add harmonized PSG sleep architecture variables
• Add annotated survey forms for Pediatric Sleep Question
• Update annotated PSG QS forms
• Remove rcrdtime variable (redundant with timebedp)
• Add slpoutp variable (lights out timing from PSG)
• Remove 11 censored subjects from baseline dataset (inadvertently added back in 0.7.0)
• The CSV datasets generated from a SAS export are located here:
  • \\rfawin\bwh-sleepepi-chat\nsrr-prep\_releases\0.13.0\

v0.12.0 (February 22, 2022)

• Create 'harmonized' dataset with key covariates and polysomnography variables
• Update many display names and variable metadata for clarity
• Add cyclic alternating pattern variables
• The CSV datasets generated from a SAS export are located here:
  • \\rfawin\bwh-sleepepi-chat\nsrr-prep\_releases\0.12.0\

v0.11.0 (November 18, 2019)

• Remove EEG spectral summary variables
• Remove empty head circumference variables (not collected)
• The CSV datasets generated from a SAS export are located here:
  • \\rfawin\bwh-sleepepi-chat\nsrr-prep\_releases\0.11.0\

v0.10.0 (October 22, 2019)

• Swap out BMI z-score change variables (chg_bmiz for bmiz_change)
• Add omai0p to nonrandomized dataset
• Set key neurocognitive variables as commonly used
• Add Epworth scale total variables
• The CSV datasets generated from a SAS export are located here:
  • \\rfawin\bwh-sleepepi-chat\nsrr-prep\_releases\0.10.0\

v0.9.1 (March 5, 2018)

• Update variable display names and units
• Update domain name from 'fm' to 'sex_2'
• Update folder names to include abbreviations

v0.9.0 (February 12, 2018)

• Incorporate many new variable labels
• Spell out abbreviations and acronyms in variable display names
• Fix ICSD variable display names and calculations
• Remove redundant time in bed and sleep time variables
• The CSV datasets generated from a SAS export are located here:
  • \\rfawin\bwh-sleepepi-chat\nsrr-prep\_releases\0.9.0\

v0.8.0 (April 3, 2017)

• Make all variable names lowercase in core CSV datasets
• Change name of subject identifier variable from 'obf_pptid' to 'nsrrid'
• Add ICSD AHI variables
• The CSV datasets generated from a SAS export are located here:
  • \\rfawin\bwh-sleepepi-chat\nsrr-prep\_releases\0.8.0\
• Gem Changes
  • Updated to spout 0.12.0

v0.7.0 (January 19, 2017)

• Correct Thoraco-abdominal Asynchrony values based on EDF fixes
• Update HRV and EEG Spectral datasets based on EDF fixes
• Note: EDF fixes are detailed at https://www.sleepdata.org/datasets/chat/pages/polysomnography-introduction.md
• The CSV datasets generated from a SAS export are located here:
  • \\rfa01\bwh-sleepepi-chat\nsrr-prep\_releases\0.7.0\

v0.6.0 (November 11, 2016)

• Add Thoraco-Abdominal Asynchrony data calculated and submitted by an NSRR user
• Correct issue with HRV summary dataset from follow-up