Table 3 Multiple linear regression between dietary intake components at 6 years, and socioeconomic and demographic characteristics, and early feeding practices. Pelotas 2004 birth cohort study (N = 3,427)

Variable

Fruits and Vegetables

p-value

Snack and treats

p-value

Coffee and Bread

p-value

Milk

p-value

β (CI 95 %)

β (CI 95 %)

β (CI 95 %)

β (CI 95 %)

SEP quintiles^a

0.083

<0.001

<0.001

<0.001

 1^st (lower)

0.00

0.00

0.00

0.00

 2^nd

−0.07 (−0.17; 0.03)

−0.09 (−0.17; −0.01)

−0.17 (−0.27; −0.07)

0.22 (0.12; 0.32)

 3^rd

−0.06 (−0.16; 0.04)

−0.14 (−0.21; −0.06)

−0.26 (−0.35; −0.17)

0.40 (0.30; 0.50)

 4^th

−0.04 (−0.14; 0.07)

−0.13 (−0.22; −0.05)

−0.43 (−0.52; −0.33)

0.45 (0.35; 0.56)

 5^th (upper)

−0.11 (−0.20; −0.01)

−0.26 (−0.33; −0.19)

−0.51 (−0.60; −0.42)

0.46 (0.36; 0.57)

Maternal age at birth^b

0.211

0.404

0.209

0.406

 18-35 years

0.00

0.00

0.00

0.00

  < 18 years

−0.13 (−0.23; −0.02)

0.14 (0.04; 0.24)

−0.07 (−0.18; 0.04)

−0.03 (−0.14; 0.08)

  > 35 years

0.12 (0.02; 0.21)

−0.01 (−0.10; 0.07)

−0.03 (−0.11; 0.05)

−0.03 (−0.13; 0.06)

Sex^b

0.037

0.383

0.113

<0.001

 Male

0.00

0.00

0.00

0.00

 Female

0.07 (0.01; 0.13)

0.02 (−0.03; 0.07)

−0.05 (−0.11; 0.01)

−0.13 (−0.20; −0.07)

Skin color^b

0.627

0.080

0.017

0.041

 White

0.00

0.00

0.00

0.00

 Brown

0.00 (−0.09; 0.09)

0.06 (−0.01; 0.14)

0.08 (−0.01; 0.17)

0.06 (−0.15; 0.04)

 Black

0.10 (−0.01; 0.20)

0.04 (−0.04; 0.12)

0.16 (0.07; 0.26)

−0.19 (−0.29; −0.09)

0.004

0.004

0.034

0.419

  ≤ 7 days

0.00

0.00

0.00

0.00

 8 days - <1 month

−0.04 (−0.14; 0.07)

−0.07 (−0.15; 0.01)

−0.01 (−0.10; 0.12)

0.05 (−0.07; 0.17)

 1 month - <3 months

0.02 (−0.06; 0.10)

−0.04 (−0.11; 0.02)

0.01 (−0.07; 0.09)

−0.01 (−0.09; 0.09)

  ≥ 3 months

0.13 (0.04; 0.21)

−0.11 (−0.18; −0.04)

−0.10 (−0.18; −0.02)

0.05 (−0.04; 0.14)

0.001

0.031

0.022

0.372

  ≥ 4 months

0.00

0.00

0.00

0.00

 1–3.9 months

−0.11 (−0.21; −0.02)

0.04 (−0.02; 0.11)

0.11 (0.03; 0.19)

−0.04 (−0.13; 0.05)

  < 1 month

−0.17 (−0.27; −0.07)

0.08 (0.01; 0.15)

0.12 (0.04; 0.21)

−0.05 (−0.15; 0.05)

Variable

Cheese and processed meats

p-value

Rice and beans

p-value

Carbohydrates

p-value

β (CI 95 %)

β (CI 95 %)

β (CI 95 %)

SEP quintiles^a

<0.001

<0.001

0.099

 1^st (lower)

0.00

0.00

0.00

 2^nd

0.17 (0.08; 0.26)

−0.19 (−0.29; −0.10)

−0.04 (−0.15; 0.07)

 3^rd

0.22 (0.13; 0.32)

−0.26 (−0.36; −0.16)

0.01 (−0.10; 0.12)

 4^th

0.34 (0.23; 0.45)

−0.40 (−0.51; −0.30)

−0.01 (−0.10; 0.10)

 5^th (upper)

0.45 (0.36; 0.54)

−0.63 (−0.73; −0.54)

0.08 (−0.02; 0.18)

Maternal age at birth^b

0.031

0.020

0.331

 18-35 years

0.00

0.00

0.00

  < 18 years

−0.02 (−0.13; 0.10)

−0.01 (−0.12; 0.09)

−0.03 (−0.13; 0.07)

  > 35 years

−0.10 (−0.19; −0.02)

−0.13 (−0.23; −0.03)

−0.05 (−0.17; 0.07)

Sex^b

0.942

0.001

0.058

 Male

0.00

0.00

0.00

 Female

0.00 (−0.07; 0.06)

−0.10 (−0.16; −0.04)

−0.06 (−0.13; 0.00)

Skin color^b

0.396

0.002

0.689

 White

0.00

0.00

0.00

 Brown

−0.03 (−0.12; 0.05)

0.14 (0.04; 0.24)

0.04 (−0.07; 0.15)

 Black

−0.03 (−0.12; 0.07)

0.12 (0.02; 0.22)

−0.06 (−0.17; 0.04)

Exclusive breastfeeding duration^c

0.061

0.548

0.851

  ≤ 7 days

0.00

0.00

0.00

 8 days - <1 month

0.09 (−0.02; 0.21)

0.00 (−0.11; 0.11)

−0.09 (−0.19; 0.01)

 1 month - <3 months

0.03 (−0.05; 0.11)

0.02 (−0.06; 0.11)

0.00 (−0.09; 0.09)

  ≥ 3 months

0.10 (0.01; 0.18)

−0.04 (−0.12; 0.05)

−0.01 (−0.10; 0.08)

0.092

0.506

0.578

  ≥ 4 months

0.00

0.00

0.00

 1–4 months

−0.02 (−0.11; 0.07)

0.07 (−0.01; 0.16)

0.01 (−0.08; 0.10)

  < 1 month

−0.07 (−0.16; 0.02)

0.05 (−0.04; 0.14)

−0.02 (−0.11; 0.07)