I am using all waves for my study and would like to know if I should be using the all waves or single wave weights.
I am interested in estimating following wave outcome from data available from waves 1, 2 and 3. I.e., adverse pregnancy outcome from previous wave pregnancy behavior using pregnancies from waves 1, 2 and 3 and pregnancy outcome data from waves 2, 3, and 4. If am reading the user guide correctly, this is three sets of longitudinal analyses using data from preceding waves but my interest is in the occurance of the outcome across the entire cohort. I am combining to increase the sample size. Which sets of weights at each wave should I use if I want to combine pregnancies across all waves and look at following wave outcomes?
Please let me know.
Thank you for your help.