Literature review for - Flourish Paediatrics

Prevalence Rates of Excessive Crying According to 10 Definitions and Mean Number
(SEM) of Hours of Crying Per Day During Preceding Week Among the Identified
Excessive Criers, by Age Group (1, 3, and 6 Months)
1 month
(n=1128)
3 months
(n=1090)
6 months
(n=1127)
overall
(n=3345)
Definitions
A: Crying > 3
h/d on >3
d/wk, >3 wk
B: Crying >3
h/d on >3
d/wk, >3 wk
C: Crying >3
h/d on >3
d/wk, >2 wk
D: Crying >3
h/d on >3
d/wk, 1 wk
E: Crying >3
h/d on ≥3
d/wk, 1 wk
F: Average
crying ≥4
h/d, 1 wk
G: Average
crying ≥3
h/d, 1 wk
H:
Inconsolable
Rate (%) Mean
(SEM)
2.2 3.78
(0.24)
4.0 4.27
(0.27)
6.3 4.35
(0.21)
9.0 4.40
(0.18)
12.7 3.81
(0.16)
7.3 5.44
(0.21)
11.2 4.65
(0.17)
8.6 3.36
(0.23)
Rate (%) Mean
(SEM)
2.0 4.03
(0.43)
2.0 4.03
(0.43)
2.4 4.30
(0.40)
3.7 3.93
(0.30)
4.6 3.87
(0.30)
2.8 5.80
(0.46)
4.9 4.62
(0.32)
7.3 2.34
(0.24)
Rate (%) Mean
(SEM)
0.3 10.92
(5.58)
0.3 10.92
(5.58)
0.5 6.83
(3.12)
1.3 5.28
(1.31)
2.0 5.58
(1.30)
1.8 7.50
(1.46)
2.1 6.37
(1.15)
3.9 1.96
(0.59)
Rate Mean
(%) (SEM)
1.5 4.33
(0.43)
2.1 4.49
(0.34)
3.1 4.48
(0.25)
4.7 4.36
(0.19)
6.4 4.01
(0.18)
3.9 5.80
(0.26)
6.2 4.84
(0.19)
6.6 2.72
(0.18)
crying
I: Problematic 14.3 3.13 6.4 2.88 4.4 2.56 8.4 2.97
crying
(0.16)
(0.29)
(0.55)
(0.15)
J: Cries a lot 17.8 3.00 9.9 2.37 7.7 2.19 11.9 2.66
(0.15)
(0.21)
(0.41)
(0.13)
All infants 1.49
1.01
0.71
1.07
(0.04)
(0.03)
(0.04)
(0.02)
Coinciding with Reijneveld and colleagues findings, the review by Herman and Le on crying
in infancy reported the prevalence of excessive crying in infants as between 1.5 % and 40 %.
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