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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: Soc Sci Res. 2019 May 4;82:113–125. doi: 10.1016/j.ssresearch.2019.04.005

Table 2.

Definition of the Patterns of Missing Data

Definition of Pattern Fit in Pattern
Yes
n (%)		 No
n
1. Fewer than 60 journals 118 (50%) 117
2. Days between first and last journal completion fewer than 730 57 (24%) 178
3. Proportion of journals that are late > 75% 45 (19%) 190
4. Nonresponse rates increase to week 50 but hold steady at response rates between 0.7 and 0.8 144 (61%) 91
5. Nonresponse rates increase to week 50, hold at about 0.4 51 (22%) 184
6. High Responders 28 (12%) 207
7. More than 180 days missing 115 (49%) 120