Table 6 STW Over-reporting by Time Gap between Survey month and STW month

Same month (\(\alpha\))

1.563\(^{***}\)

1.119\(^{***}\)

3.841\(^{***}\)

1.131\(^{***}\)

(0.196)

(0.187)

(0.842)

(0.161)

1 month back (\(\alpha + \beta _1\))

0.851\(^{***}\)

0.520\(^{***}\)

2.581\(^{***}\)

0.565\(^{***}\)

(0.158)

(0.143)

(0.600)

(0.131)

2 months back (\(\alpha + \beta _2\))

0.466\(^{***}\)

0.131

2.061\(^{***}\)

0.221\(^{**}\)

(0.119)

(0.102)

(0.516)

(0.103)

3 months back (\(\alpha + \beta _3\))

0.555\(^{***}\)

0.099

2.877\(^{***}\)

0.194\(^{**}\)

(0.116)

(0.094)

(0.676)

(0.098)

4 months back (\(\alpha + \beta _4\))

0.333\(^{**}\)

− 0.042

1.783\(^{***}\)

0.163\(^{**}\)

(0.138)

(0.113)

(0.674)

(0.083)

5 months back (\(\alpha + \beta _5\))

0.503\(^{**}\)

0.020

2.546\(^{***}\)

0.315

(0.251)

(0.249)

(0.838)

(0.222)

6+ months back (\(\alpha + \beta _6\))

0.151

− 0.211

1.633

0.098

(0.425)

(0.304)

(1.386)

(0.325)

Prediction (\(\gamma\))

1.183***

0.938***

2.696*

0.838***

(0.271)

(0.209)

(1.483)

(0.207)

March 2020 (\(\delta\))

1.431***

1.267**

3.008***

1.164***

(0.271)

(0.237)

(1.057)

(0.224)

Establishment type

All

Single-plant

No single-plant

Single-plant

Unique survey month

No

No

No

Yes

Establishments

3663

2826

760

2664

\(N\)

16294

12435

3532

11700