**Table 3.** Knowledge Indicators

||**Knowledge of**<br>**causes of ST**|**symptoms and**<br>**Is subindex**|**Sexual**<br>**knowledge**|**violence**<br>**subindex**|**Preventio**<br>**knowledge**|**n of STIs**<br>**subindex**|**Pregnancy**<br>**knowledge**|**prevention**<br>**subindex**|**Condom use**<br>**subi**|**knowledge**<br>**ndex**|**General k**<br>**in**|**nowledge**<br>**dex**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
||**One week**<br>**post**<br>**intervention**|**Six months**<br>**post**<br>**intervention**|**One week**<br>**post inter-**<br>**vention**|**Six months**<br>**post inter-**<br>**vention**|**One week**<br>**post inter-**<br>**vention**|**Six months**<br>**post inter-**<br>**vention**|**One week**<br>**post inter-**<br>**vention**|**Six months**<br>**post inter-**<br>**vention**|**One week**<br>**post inter-**<br>**vention**|**Six months**<br>**post inter-**<br>**vention**|**One week**<br>**post inter-**<br>**vention**|**Six months**<br>**post inter-**<br>**vention**|
||**(1)**|**(2)**|**(3)**|**(4)**|**(5)**|**(6)**|**(7)**|**(8)**|**(9)**|**(10)**|**(11)**|**(12)**|
|Treatment students|0.282***|0.202***|0.254***|0.109**|0.067|0.519***|0.299***|0.335***|0.262***|0.166**|0.372***|0.378***|
||(0.048)|(0.056)|(0.057)|(0.054)|(0.041)|(0.139)|(0.049)|(0.078)|(0.046)|(0.064)|(0.049)|(0.080)|
|Spillover students|0.022|0.064|0.034|−0.025|0.024|0.139|0.043|0.061|0.051|0.031|0.015|0.011|
||(0.044)|(0.053)|(0.054)|(0.059)|(0.044)|(0.147)|(0.050)|(0.082)|(0.054)|(0.064)|(0.050)|(0.085)|
|Control for baseline<br>value of dep. var.|Yes|Yes|Yes|Yes|Yes|Yes|Yes|Yes|Yes|Yes|Yes|Yes|
|Observations|4,373|3,867|4,354|3,859|4,353|3,836|4,388|3,874|4,384|3,867|4,388|3,903|

_Source_ : Authors’ analysis from student surveys.

_Note_ : Dependent variable is an index of related questions. All components of the indices are standardized to mean 0 and standard deviation 1, based on the sample frame at baseline. Standard errors clustered at the school level in parentheses. *** _p <_ 0.01, ** _p <_ 0.05, * _p <_ 0.1. _Knowledge of symptoms and causes of STI subindex_ : Respondent knows STI symptoms include: (a) Abnormal discharges from the penis/vagina; (b) lesions/sores in genitals; and (c) painful urination; respondent knows (d) vomiting and headache are not STI symptoms; (e) HIV can be transmitted by having sexual intercourse without a condom; (f) HIV can be transmitted by a contaminated blood transfusion; (g) HIV transmission does not depend on hygiene; (h) HIV cannot be transmitted via food sharing; (i) clothes sharing; or (j) being in a pool with an HIV-positive person. Respondent knows that (k) HIV is not transmitted if a condom is used while having sexual intercourse with an HIV-positive individual. _Sexual violence knowledge subindex_ : Respondent identifies (a) nonconsensual touching of genitalia, buttocks, breasts, inner thigh as abusive sexual contact; (b) forcible sex by husband on his wife as a form of sexual abuse; (c) having sex with a person who is impaired due to alcohol as a form of rape; (d) if an individual changes his/her mind about sex even at the last minute, sex is nonconsensual and hence a form of sexual abuse; (e) the use of threats to obtain sex is a form of sexual abuse; respondent knows: (f) sexual abuse is more often than not perpetrated by a known person not a stranger. _Prevention of STI knowledge subindex_ : Respondent knows one of the safest methods to prevent an STI is the use of condom whereas the calendar-based methods, hormone injections, and penis withdrawal are not. _Pregnancy prevention knowledge subindex_ : Respondent disagrees with (a) penis withdrawal is a safe method to avoid pregnancy; respondent knows: (b) women can become pregnant in their first sexual relationship; (c) safe methods to prevent a pregnancy include injections and condom; (d) unsafe methods to prevent a pregnancy include calendar-based methods and penis withdrawal; respondent knows that (e) emergency post-coital contraception pills have secondary effects. _Condom use knowledge subindex_ : Respondent knows (a) one of the safest methods to prevent an STI is the use of a condom; (b) condoms can be used only one time; (c) HIV can be transmitted by having sex without a condom; (d) HIV is not transmitted if a condom is used even if the person is HIV positive; (e) one of the safest methods to prevent a pregnancy is by using a condom. _General knowledge index_ : an index of all the variables used in the subindices of the table.