|
Unexposed group |
Exposed group b |
Unexposed group |
Exposed group b |
Crude β (95% CI) |
Adjusted β (95%
CI) * |
Gestational week at the
beginning of the Level I
lockdown
|
|
|
|
|
|
|
All
|
493496
|
101900
|
38.74±1.46
|
38.66±1.46
|
-0.08 (-0.09, -0.07)
|
-0.06 (-0.07, -0.05)
|
Conception during the lockdown
|
64645
|
11317
|
38.72±1.52
|
38.64±1.49
|
-0.08 (-0.11, -0.05)
|
-0.04 (-0.07, -0.01)
|
Prior to 4th
|
53300
|
10937
|
38.71±1.50
|
38.64±1.50
|
-0.07 (-0.10, -0.04)
|
-0.10 (-0.14, -0.07)
|
4th -7th
|
50973
|
10494
|
38.67±1.52
|
38.52±1.54
|
-0.14 (-0.17, -0.11)
|
-0.13 (-0.16, -0.09)
|
8th -11th
|
48926
|
10237
|
38.70±1.50
|
38.58±1.54
|
-0.12 (-0.15, -0.08)
|
-0.10 (-0.13, -0.07)
|
12th -15th
|
46255
|
9844
|
38.73±1.51
|
38.61±1.55
|
-0.11 (-0.15, -0.08)
|
-0.11 (-0.14, -0.07)
|
16th -19th
|
45913
|
9539
|
38.74±1.48
|
38.63±1.52
|
-0.11 (-0.14, -0.08)
|
-0.10 (-0.13, -0.06)
|
20th -23rd
|
41017
|
8830
|
38.74±1.49
|
38.64±1.52
|
-0.10 (-0.14, -0.07)
|
-0.10 (-0.13, -0.06)
|
24th -27th
|
40358
|
8750
|
38.68±1.49
|
38.66±1.44
|
-0.02 (-0.06, 0.01)
|
-0.01 (-0.04, 0.03)
|
28th -31st
|
38146
|
8101
|
38.72±1.39
|
38.63±1.36
|
-0.09 (-0.12, -0.06)
|
-0.07 (-0.10, -0.04)
|
32nd -36th
|
47382
|
10213
|
38.74±1.21
|
38.73±1.18
|
-0.01 (-0.03, 0.02)
|
0.02 (-0.01, 0.04)
|
37th - 41st
|
16581
|
3638
|
39.40±0.92
|
39.41±0.93
|
0.01 (-0.02, 0.04)
|
0.03 (0.01, 0.07)
|
|
Exposure dose (Mean±SD) |
Exposure dose (Mean±SD) |
Gestational length (week, Mean±SD) |
Gestational length
(week, Mean±SD) |
Mean difference in gestational length (week) |
Mean difference in gestational length (week) |
|
Unexposed group |
Exposed group |
Unexposed group |
Exposed
group |
Crude β (95% CI) |
Adjusted β
(95% CI) * |
Cumulative
exposure dose in the first 22 weeks during the Level I to the
Level III lockdown a
|
|
|
|
|
|
|
Per 100 unit increase in all
participants |
0±0 |
195.08±82.21 |
38.74±1.45 |
38.61±1.52 |
-0.06
(-0.07, -0.05) |
-0.05 (-0.06, -0.04) |
Categories of cumulative exposure dose |
|
|
|
|
|
|
Unexposed group |
0±0 |
- |
38.74±1.45 |
- |
Reference |
Reference |
Q1 (<132) |
- |
73.40±38.11 |
- |
38.64±1.52 |
-0.10 (-0.13, -0.08) |
-0.09 (-0.11, -0.07) |
Q2 (132-225) |
- |
178.66±27.17 |
- |
38.59±1.54 |
-0.15
(-0.17, -0.12) |
-0.13 (-0.16, -0.11) |
Q3 (226-263) |
- |
247.18±10.58 |
- |
38.58±1.51 |
-0.16
(-0.18, -0.13) |
-0.14 (-0.16, -0.11) |
Q4 (≥264) |
- |
278.80±8.59 |
- |
38.62±1.51 |
-0.12
(-0.14, -0.10)*
|
-0.09 (-0.11, -0.07) |
P for trend test |
|
|
|
|
|
< 0.001 |