Please refer to Section 5.3 of the CLSA Protocol, available under Protocols within Researcher Resources.
Periods of data collection for the Baseline assessments were as follows:
Baseline Tracking: 2011-09 to 2014-05
Baseline Comprehensive: 2011-12 to 2015-07
Maintaining Contact Questionnaire (MCQ) Tracking: 2013-09 to 2016-02
Maintaining Contact Questionnaire (MCQ) Comprehensive: 2014-05 to 2016-01