. 2021 Mar 11;10:e17. doi: 10.1017/jns.2021.7

Table 1.

Characteristics of lactating mothers by total population and by clusters

	Total population	Vege-oils	Fish-poultry	Confectionery-salads	Mixed dishes
N (%)	180 (100)	40 (22⋅2)	57 (31⋅7)	38 (21⋅1)	45 (25)
Age (years)	31⋅5 (3⋅9)	32⋅0 (3⋅7)^a	31⋅2 (3⋅6)^a	31⋅5 (4⋅4)^a	31⋅4 (4⋅1)^a
Pre-pregnancy BMI (kg/m²)	22⋅5 (2⋅6)	22⋅5 (2⋅5)^a^,^b	23⋅3 (2⋅4)^a	21⋅4 (1⋅8)^b	22⋅6 (2⋅9)^a^,^b
BMI at 4 months postpartum (V6) (kg/m²)	23⋅6 (3⋅1)	23⋅4 (3⋅0)^a^,^b	24⋅9 (3⋅2)^a	21⋅8 (1⋅8)^b	23⋅7 (3⋅4)^a^,^b
Gestational age at birth (weeks)	39⋅5 (1⋅2)	39⋅9 (1⋅1)^a	39⋅1 (1⋅3)^a	39⋅8 (0⋅9)^a	39⋅6 (1⋅1)^a
Parity (N)
Primiparous/multiparous	126/54	32/8^a	47/10^a	17/21^b	30/15^a
Mode of delivery (N)
Vaginal/C-section	152/28	37/3^a	39/18^b	37/1^a	39/6^a
Infant sex (N)
Male/female	94/86	22/18^a	35/22^a	22/16^a	15/30^b

Age, BMI and gestational age at birth expressed as means (sd).

^a,b Significant differences between clusters at P < 0⋅05 as calculated by Fishers's exact test.