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. 2001 Dec 13;1:6. doi: 10.1186/1471-2261-1-6

Table 2.

Cross-tabulation of self-reported versus actual adherence1

Actual Adherence2

Self-Reported Adherance Cell counts (%) <1 Day/Week ≥ 1 Day /Week Row Totals (%)
<1 Day/Week 147 (51.4) 78 (27.3) 225 (78.7)
≥ 1 Day/Week 18 (6.3) 43 (15.0) 61 (21.3)
Column Totals (%) 165 (57.7) 121 (42.3) 286 (100.0)

1Adherence defined as number of days when 1 or more doses were missed 2Electronically measured using MEMS-4