Table 3 Point and interval estimates for the parameters of the length/height-for-age (L/HAZ) model. Brazil, 2008–2017

Intercept

− 0.6357

0.0144

[− 0.6639, − 0.6075]

Splines 1

− 0.5133

0.0260

[−0.5643, − 0.4624]

Splines 2

− 0.1505

0.0138

[− 0.1776, − 0.1234]

Splines 3

0.1967

0.0156

[0.1662, 0.2273]

Splines 4

0.3102

0.0143

[0.2822, 0.3382]

Splines 5

0.2356

0.0144

[0.2073, 0.2639]

Splines 6

0.0192

0.0141

[−0.0085, 0.0469]

Splines 7

0.3875

0.0142

[0.3598, 0.4153]

Splines 8

0.3635

0.0142

[0.3356, 0.3913]

Splines 9

0.4845

0.0142

[0.4566, 0.5125]

Splines 10

0.3844

0.0142

[0.3566, 0.4122]

Splines 11

0.4803

0.0194

[0.4422, 0.5184]

Sex (girls)

0.0399

0.0012

[0.0376, 0.0422]

Race / skin color (Asian descent)

−0.1063

0.0095

[−0.1250, − 0.0876]

Race / skin color (Black)

− 0.0651

0.0033

[− 0.0716, − 0.0587]

Race / skin color (Pardo)

− 0.1589

0.0013

[− 0.1614, − 0.1564]

Race / skin color (Indigenous)

− 0.8671

0.0064

[− 0.8796, − 0.8546]

Educational level (3 years or less)

− 0.3590

0.0019

[− 0.3628, − 0.3553]

Educational level (4 to 7 years)

− 0.1832

0.0013

[−0.1857, − 0.1807]

Civil status (single)

− 0.0423

0.0012

[− 0.0447, − 0.0400]

Civil status (divorced / widow)

0.0690

0.0062

[0.0569, 0.0810]

Mother’s age

0.0066

0.0001

[0.0064, 0.0068]

σ_Intercept

0.9578

σ_ε

0.6675