Iodine Status in Pregnant Women Having Urinary Fluoride in Contaminated Areas: A Case Study of Phayao Province

Table 4

Demographic characteristics and according to thyroid disease family and pregnancy (N = 152).

Variables	N	(%)
(a) Age
(1) <16.00 years old	6	3.95
(2) 16.01–26.00 years old	64	42.11
(3) 26.01–35.11 years old	70	46.05
(4) >35.01 years old	12	7.89
(b) Gestational age (weeks)
(1) 0.10–4.00 weeks	2	1.32
(2) 4.10–8.00 weeks	52	34.21
(3) 8.10–12.00 weeks	98	64.47
(c) Weight (kilograms)
(1) <45.00 kilograms	36	23.68
(2) 45.01–56.00 kilograms	64	42.11
(3) 57.01–68.00 kilograms	39	25.66
(4) 69.01–80.00 kilograms	9	5.92
(5) >80.00 kilograms	4	2.63
(d) Height (centimeters)
(1) 141.00–150.00 centimeters	30	19.74
(2) 151.00–160.00 centimeters	92	60.52
(3) 161.00–170.00 centimeters	30	19.74
(e) Body mass index: BMI
Underweight (less than 18.5)	29	19.08
Healthy weight (18.5–24.9)	90	59.21
Over weight (25.0–29.9)	28	18.42
Obese (30.0 or higher)	5	3.29
(f) Number of pregnancies
(1) The 1^st pregnancy	61	40.13
(2) The 2^nd pregnancy	59	38.82
(3) The 3^rd pregnancy	22	14.47
(4) The 4^th pregnancy	7	4.61
(5) The 5^th pregnancy	3	1.97
(g) Education
(1) No formal education	7	4.61
(2) Primary school	18	11.84
(3) Secondary school	97	63.82
(5) High school diploma	8	5.26
(6) Bachelor’s degree	19	12.50
(7) Higher than bachelor’s	3	1.97
(h) Location
(1) Same since birth	117	76.97
(2) Subjects having migrated	35	23.03
<1.00 year ago	3	8.57
1.01–3.00 years ago	11	31.43
3.01–5.00 years ago	10	28.57
>5.01 years ago	11	31.43
(i) Thyroid disease in subjects’ family history
(1) None	143	94.08
(2) Some family history	9	5.92
(1) Only 1 person	6	66.67
(2) >1 person	3	33.33