| Bell (1997) [149]
|
Descriptive |
46 mothers |
1351 (-) |
31.1 (-) |
1996 |
31 |
10.8 (1.4) |
USA |
| D’Souza (2009) [150]
|
Descriptive |
62 mothers and 38 fathers |
1721 (349) |
31.5 (2.5) |
2006 |
32 |
– |
India |
| Franck (2003) [151], [152]
|
Descriptive |
62 mothers and 22 fathers |
1093 (420) |
27.6 (2.3) |
– |
28 |
– |
UK |
| Holditch-Davis (2003)[153]
|
Descriptive |
30 mothers |
1415 (537) |
30.3 (2.7) |
1994 |
36 |
13.9 (1.9) |
USA |
| Holditch-Davis (2009)[154]
|
Descriptive |
177 mothers |
1107 (394) |
28.3 (2.9) |
2001 |
34 |
12.6 (1.8) |
USA |
| Holditch-Davis (2007) [155]; Miles [156]
|
Descriptive |
123 mothers |
1222 (433) |
29.0 (2.6) |
1997 |
35, 44 |
13.7 (2.2) |
USA |
| Ichijima (2009) [157]
|
Descriptive |
91 mothers and 60 fathers |
1555 (522) |
31.1 (2.9) |
2007 |
36 |
– |
Japan and New Zealand |
| Lau (2007) [158]
|
Descriptive |
120 mothers |
955 (235) |
27.1 (1.6) |
1997 |
31 |
– |
USA |
| Melnyk (2001) [159]
|
Intervention; Parent education |
22 mothers |
1731 (623) |
31.6 (2.3) |
– |
33, 36 |
– |
USA |
| Melnyk (2006) [160], [161]
|
Intervention; Parent education |
109 mothers and 68 fathers |
1627 (468) |
31.4 (2.6) |
2001 |
33 |
– |
USA |
| Meyer (1994) [162]
|
Intervention; Parent education |
16 mothers |
1176 (239) |
28.8 (2.1) |
1986 |
32, 37 |
– |
USA |
| Miles (1991) [78]
|
Descriptive |
79 mothers and 43 fathers |
1614 (-) |
31.0 (-) |
|
31 |
|
|
| Miles (2006) [141]
|
Descriptive |
26 mothers |
1133 (367) |
28.0 (2.3) |
– |
33 |
– |
USA |
| Preyde (2003) [163]
|
Intervention; Parent buddy program |
28 mothers |
897 (213) |
26.6 (1.7) |
2000 |
28, 32 |
– |
Canada |
| Reid (2003) [164]
|
Descriptive |
40 mothers |
1674 (312) |
31.1 (1.7) |
2001 |
31 |
– |
UK |
| Roberts (2000) [165]
|
Intervention; Kangaroo care |
14 mothers |
1481 (409) |
31.2 (2.4) |
1997 |
42 |
– |
Australia |
| Shaw (2006) [166]
|
Descriptive |
32 mothers and 17 fathers |
1811 (987) |
31.5 (4.9) |
– |
35 |
– |
USA |
| Sisk (2006) [167]
|
Intervention; Lactation counseling |
110 mothers |
1143 (207) |
28.5 (2.1) |
2001 |
29 |
13.1 (0.2) |
USA |
| Turan (2008) [9]
|
Intervention; Nursing program |
20 mothers and 19 fathers |
1450 (417) |
31.1 (2.6) |
2004 |
33 |
– |
Turkey |
| Van der Pal (2007) [27]
|
Intervention; Neonatal care |
64 mothers and 59 fathers |
1185 (341) |
28.9 (1.9) |
2000 |
31 |
– |
Netherlands |
