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Table 1 Number of call attempts for completed interviews and for all call records for main study

From: Utility of telephone survey methods in population-based health studies of older adults: an example from the Alberta Older Adult Health Behavior (ALERT) study

Number of attempts

Completed interviews

All call records

 

Frequency(N)

Percent (%)

Cumulative percent

Frequency(N)

Percent (%)

Cumulative percent

1

426

32.9

32.9

13,313

37.0

37.0

2

355

27.4

60.3

6,460

17.9

64.9

3

204

15.7

76.0

4,076

11.3

66.2

4

150

11.6

87.6

2,205

6.1

72.4

5

104

8.0

95.6

4,524

12.6

84.9

6

46

3.5

99.2

4,997

13.9

98.8

7

7

0.5

99.7

306

0.9

99.7

8+

4

0.3

100.0

119

0.3

100.0

Total

1,296

100

100

36,000

100

100