Table 2 Eligible Studies included in Data Extraction

China

2 [29, 69]

1

1

India

6 [10, 12, 19, 26, 33, 70]

1

5

Indonesia

2 [17, 66]

2

Nigeria

2 [14, 46]

2

Pakistan

1 [55]

1

Philippines

1 [9]

1

South Africa

6 [22, 42, 43, 45, 59, 63]

6

Uganda

1 [11]

1

Other countries

Total Number of HRQOL studies

Cross-sectional Design

Longitudinal Design

Canada

3 [27, 30, 40]

2

1

Iraq

1 [58]

1

Malaysia

4 [18, 47, 64, 67]

3

1

Taiwan

1 [20]

1

Thailand

1 [21]

1

UK

1 [39]

1

USA

2 [31, 36]

2

Western Iran

1 [65]

1

Yemen

1 [23]

1