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Volume 80, Issue 8
Primary and secondary non-response: in need of operational definitions in observational studies
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Primary and secondary non-response: in need of operational definitions in observational studies
Online download statistics by month:
Online download statistics by month: April 2021 to March 2024
Abstract
Full
Pdf
Apr 2021
388
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May 2021
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83
Jun 2021
273
269
29
Jul 2021
459
457
117
Aug 2021
197
189
109
Sep 2021
102
96
69
Oct 2021
103
96
94
Nov 2021
62
61
111
Dec 2021
92
85
86
Jan 2022
102
107
110
Feb 2022
117
114
126
Mar 2022
111
107
102
Apr 2022
151
147
118
May 2022
115
109
90
Jun 2022
149
147
102
Jul 2022
104
103
70
Aug 2022
120
118
105
Sep 2022
150
154
88
Oct 2022
138
144
73
Nov 2022
137
133
54
Dec 2022
119
120
43
Jan 2023
159
156
66
Feb 2023
185
185
50
Mar 2023
178
178
54
Apr 2023
178
177
58
May 2023
208
204
76
Jun 2023
158
160
50
Jul 2023
165
158
55
Aug 2023
182
178
49
Sep 2023
158
160
26
Oct 2023
133
130
30
Nov 2023
168
164
41
Dec 2023
139
128
23
Jan 2024
30
30
54
Feb 2024
127
112
17
Mar 2024
167
143
61
Total
6003
5882
2595
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