|
1st Trimester Hb
|
3rd Trimester Hb
|
---|
Sample
|
N
|
mean
|
SD
|
IQ
|
5/95%
|
N
|
mean
|
SD
|
IQ
|
5/95%
|
ΔHB(%)
|
---|
Total Population
|
7054
|
127.9
|
11.2
|
121–134
|
108/143
|
6642
|
113.7
|
10.3
|
107–121
|
96/130
|
−14.2(11)
|
South Asians a
|
1097
|
123.4
|
10.9
|
117–130
|
104/140
|
1042
|
110.8
|
11.13
|
104–119
|
93/128
|
−12.6(10.2)
|
Blacks a
|
294
|
121.5
|
11.4
|
115–129
|
102/139
|
274
|
109.6
|
9.77
|
104–116
|
93/125
|
−11.9(9.8)
|
Mixeda
|
76
|
127.8
|
8.53
|
122–133
|
113/142
|
74
|
111.0
|
8.48
|
105–118
|
97/125
|
−16.8(13.4)
|
White a
|
4405
|
129
|
10.6
|
123–136
|
112/144
|
4191
|
114.9
|
9.81
|
109–121
|
98/131
|
−14.1(10.9)
|
Subgroup H b
|
5663
|
128
|
10.3
|
122–135
|
111/144
|
5298
|
114
|
9.8
|
108–121
|
98/130
|
−14(10.9)
|
Subgroup I c
|
728
|
117
|
12.7
|
109–126
|
95/136
|
676
|
108
|
12.1
|
100–116
|
88/128
|
−9(7.7)
|
IMD Q1 (most deprived)
|
3957
|
126
|
11.3
|
120–134
|
107/143
|
3720
|
112.8
|
10.5
|
106–120
|
95/129
|
−9(7.7)
|
IMD Q2
|
1074
|
126.9
|
11.7
|
122–134
|
107/143
|
1011
|
113.7
|
10.2
|
108–120
|
96/130
|
−13.2(10.4)
|
IMD Q3
|
778
|
128
|
10.1
|
122–135
|
110/144
|
739
|
115
|
9.8
|
109–121
|
99/131
|
−13(10.1)
|
IMD Q4
|
741
|
128
|
10.7
|
122–135
|
111/144
|
695
|
115.5
|
9.7
|
109–122
|
99/131
|
−12.5(9.8)
|
IMD Q5 (least deprived)
|
455
|
128.5
|
10.5
|
123–135
|
114/144
|
438
|
115.7
|
9.2
|
110–121
|
101/131
|
−12.8((9.3)
|
IMD Q1 a
|
1037
|
128.9
|
9.06
|
123–135
|
114/144
|
1008
|
113.8
|
9.79
|
108–121
|
97/129
|
−15.1(11.7)
|
IMD Q2&3 a
|
4273
|
126.6
|
11.27
|
120–134
|
107/143
|
4025
|
112.9
|
10.49
|
106–120
|
95/129
|
−13.7(10.8)
|
IMD Q 4&5 a
|
918
|
128.6
|
10.4
|
123–135
|
111/144
|
871
|
115.6
|
9.49
|
109–122
|
100/131
|
−13(10.1)
|
BMI Obese
|
1711
|
128.8
|
10.8
|
123–136
|
110/145
|
1604
|
115.8
|
9.8
|
110–122
|
99/132
|
−13(16.7)
|
BMI Underweight
|
231
|
124.5
|
10.9
|
117–132
|
107/141
|
222
|
110.5
|
11.5
|
104–117
|
89/128
|
−14(17.3)
|
BMI normal+overweight
|
4946
|
126.5
|
11.2
|
121–134
|
107/143
|
4678
|
113.1
|
10.3
|
107–120
|
96/129
|
−13.4(16.9)
|
IMD1 excluding obese
|
2832
|
125.8
|
11.4
|
120–133
|
106/142
|
2679
|
111.9
|
10.6
|
105–119
|
94/129
|
−13.9 (17.4)
|
- Each subgroup represents the total population excluding the women as shown by the symbols below
- a Restricting the sample to pregnant women without the following problems during index pregnancy current pregnancy problems, pregnancy induced hypertension, Pre-term birth, antepartum haemorrhage, pre-pregnancy med problems, diabetes, hypertension, renal disease, & anaemia in 1st trimester
- b women without a haemoglobinopathy trait
- c Women with an haemoglobinopathy trait
- IMD = Index of multiple deprivation